"Galaxy" and "Tianhe": Let the five-star red flag be planted on the top of the world’s supercomputing

  From the breakthrough of "Galaxy" in achieving "zero" of our country’s supercomputer, to the "Tianhe" supercomputer ranking first in the world for many times, over the past 40 years, the scientific researchers of the National University of Defense Technology have fully carried forward the "Galaxy Spirit" and written one glory after another on the road of China’s scientific and technological development –

  "Galaxy" and "Tianhe": Let the five-star red flag be planted on the top of the world’s supercomputing

Tianhe-2 supercomputer room. (file photo) He Shuyuan, photo

  In the midsummer of August, at the National Supercomputing Center in Changsha on the banks of the Xiangjiang River, the "Tianhe" series of supercomputers developed by the National University of Defense Technology were in full swing. The peak computing power of 2 quadrillion times per second is equivalent to 50,000 personal computers computing at the same time, providing strong support for the development of scientific research, information services, equipment manufacturing and other fields, and producing important application benefits.

  Supercomputers are an important symbol of a country’s scientific and technological level and strategic capabilities. From the "Milky Way" to achieve the "zero" breakthrough of our country’s supercomputers, to the "Tianhe" supercomputer that has repeatedly won the top of the world’s supercomputers, over the past 41 years, the scientific researchers of the National Defense University of Science and Technology have held the motherland in mind, are not afraid of difficulties, innovate independently, and scale peaks bravely. They have written one glory after another on the road of China’s scientific and technological development.

  "Galaxy" was born: China’s giant computer development achieved a breakthrough of "zero"

  Today’s brilliance stems from yesterday’s humiliation.

  In the 1970s, high-performance computing became a strategic high technology to promote technological innovation and economic and social development. However, without its own supercomputer, China’s economic and social development is often controlled by others. Explored mineral deposits and oil data have to be sent abroad for processing, which is not only expensive, but also the data must first be mastered by foreign experts.

  "If China wants to carry out the four modernizations, it cannot do without a supercomputer!" In 1978, at an important meeting held by the Central Committee, Comrade Deng Xiaoping spoke eloquently. It was at this meeting that our country decided to develop a supercomputer independently to solve the problem of large-scale scientific calculation in the modernization drive. Comrade Deng Xiaoping solemnly entrusted this important task to the National Defense Science and Technology University.

  At that time, although the National Defense University of Science and Technology was the first unit to develop computers in China, the previously developed "151" computer had a computing speed of only 1 million times per second. Now, to develop a machine with 100 million operations per second means that the computing speed should be increased by 100 times, and the technical difficulty can be imagined.

  "Win glory for the Chinese nation!" Faced with unprecedented difficulties, the researchers held back their energy: they would risk their lives to come up with a giant machine to prevent foreigners from getting stuck in our necks.

  "It was really a period of patience but passion." Li Sikun, a 78-year-old professor at the School of Computer Science at the National Defense University of Science and Technology, recalled the scene with emotion. After the development work began, various complex technical problems emerged. What kind of technical route to take? What kind of architecture to adopt? How to achieve a computing speed of 100 million operations per second… The problems are like "roadblocks". Scientists rose to the challenge, using the laboratory as a battlefield, and waging this battle without gunpowder smoke day and night.

  At the beginning of reform and opening up, our country’s industrial base is weak, the processing equipment is simple, and the components are backward.

  Li Sikun recalled that, for example, the circuit design of computer hardware was purely depicted on paper one by one, and if it was wrong, it had to be done again. For a small-scale integrated circuit design, it took half a month to draw.

  In order to catch up, everyone ate in the factory, slept in the computer room, and worked until at least 12 o’clock at night. At that time, overtime pay was 20 cents a night, but no one was willing to take it. Everyone’s heart was to save every penny and build a Chinese giant machine as soon as possible.

  Heaven rewards hard work! After five years of hard work day and night, the researchers represented by Professor Ciyungui have overcome one by one theoretical, technical and technological difficulties, and creatively proposed the "bidirectional array" structure, which greatly improved the computing speed of the machine. The development task was completed one year ahead of schedule, and the funding was only one-fifth of the original plan.

  On November 26, 1983, our country’s first supercomputer with 100 million operations per second successfully passed the national technical appraisal, marking that China had achieved a "zero" breakthrough in the field of supercomputer development and became a country that could independently design and manufacture supercomputers after the United States and Japan.

  General Zhang Aiping, then the director of the National Defense Science and Technology Commission, wrote a poem about the supercomputer, naming it "Milky Way" and writing a poem: "Hundreds of millions of stars are in the Milky Way, and it is difficult for the world to know how many there are. The ingenious arrangement is clever, laughing at the stars and singing."

  Since then, they have relied on independent innovation to successively develop a series of giant computers such as "Galaxy-II" and "Galaxy-III", which have gradually pushed our country’s high-performance computing technology to the international forefront, and gradually solved a series of urgent problems in economic and social development.

  In June 1997, when the "Galaxy-III" with a computing speed of 13 billion times per second was successfully developed, the National Weather Service used it as a medium and long-term numerical prediction system, and the weather forecast was advanced from two or three days in advance to about seven days in advance.

  "Tianhe" comes out: China’s supercomputer development level ranks among the top in the world

  After entering the new century, our country’s various undertakings have entered a period of rapid development, and there is a more urgent demand for the computing speed and capacity of high-performance computing machines. However, compared with developed countries, our country is not only an order of magnitude different in computing power, but also far from the number of installed machines.

  The National Defense Science and Technology University was once again tasked with shouldering the heavy responsibility and sounded the charge to climb the world’s scientific and technological peak – to develop our country’s petaflop supercomputer system as soon as possible.

  The development of the world’s supercomputers shows that every order of magnitude increase in computing power requires architectural innovation and a series of new breakthroughs in key technologies. At that time, although the National Defense University of Science and Technology had relatively strong technical accumulation and rich experience in engineering practice, it was equally difficult to achieve a technological leap from 100 trillion to quadrillion.

  Faced with various technical problems and severe challenges, researchers work together, innovate independently, and strive to overcome core and key technologies to promote the development of high-performance computing in our country.

  The reason why the "Tianhe" supercomputer has the fastest computing performance in the world lies in its original CPU + GPU heterogeneous architecture. However, this new heterogeneous system encountered a series of major technical bottlenecks during the creation process.

  Professor Yang Canqun, deputy chief designer of the "Tianhe" supercomputer, recalled that the GPU is characterized by graphics and video processing. To combine it with a CPU that is good at computing, it is not only difficult to program, but also very inefficient. The internationally recognized computing efficiency is only 20%.

  The key to innovation lies in how to turn "impossible" into "possible" and find a way where there is no way.

  "When I get up in the morning, I start working, and when I go to bed at night, I close my eyes, and the data on the screen is still scrolling in my mind." Yang Canqun and the members of the research team began a four-month research project. After 80,000 many experiments and performance optimization, they finally found a breakthrough, making the computing efficiency of the GPU reach 70%, creating a world miracle.

  In order for a supercomputer system to achieve quadrillions of operations per second, it must also have a fast and smooth network system that allows all kinds of information to "run fast". They designed a new switch scheme for this purpose, but the American chipmakers refused to support it and demanded that it be designed according to the American scheme. But in this way, although success is certain, there is no innovation and advantage.

  The research team of National Defense University of Science and Technology did not believe in evil. They insisted on following their own design route, exploring from scratch, and working hard to tackle key problems. In just 10 months, a new type of switch was developed, and the measured technical indicators greatly exceeded those of similar systems, while the cost was only 80% of that of similar products of the same scale.

  With a series of key technological breakthroughs and engineering realization, on October 29, 2009, our country’s first petaflop supercomputer "Tianhe-1" was successfully developed, achieving our country’s independent research and development of supercomputer capabilities from 100 trillion times to 100 trillion times, becoming the second country in the world after the United States to be able to develop a petaflop supercomputer system.

  Faced with the intense competition in the field of supercomputing, the researchers of National Defense University of Science and Technology did not revel in the joy of success, but quickly organized technological upgrades and comprehensive optimization, and embarked on the expansion of the second-phase system.

  On November 17, 2010, the "Tianhe-1A" supercomputer topped the list of the 36th World’s Top 500 Supercomputers with excellent performance 4.70 quadrillion times at peak speed and 2.566 quadrillion floating-point operations per second.

  The Chinese have planted the five-star red flag on the top of the supercomputing world for the first time, marking that China’s self-developed supercomputer comprehensive technology level has entered the world’s leading ranks.

  On June 17, 2013, the "Tianhe-2" developed by them once again topped the global supercomputing 500 with a peak computing speed of 549 million billion times per second and a measured computing speed of 339 million billion times per second. Since then, "Tianhe-2" has ranked first in the world supercomputing list for six consecutive times.

  In late July last year, the National Defense University of Science and Technology sent another piece of good news. The "E-class prototype system" led by the school completed the development and deployment and passed the acceptance, marking that our country launched a charge to the new generation of 10 billion billion billion times (E-class) supercomputers.

  "Galactic Spirit": Forging the "Root" and "Soul" of China’s Scientific and Technological Glory

  "Embrace the motherland, unite and cooperate, aim for the peak, and strive bravely." The 16 characters in the eye-catching position of the History Museum of the School of Computer Science and Technology of National Defense University of Science and Technology condense the arduous exploration of generations of "Milky Way People" at National Defense University of Science and Technology, and reveal the true meaning of success from "Milky Way" to "Tianhe". In their hearts, "Milky Way Spirit" is the spiritual highland they adhere to, and it is also their "root" and "soul".

  For decades, the research team of National Defense University of Science and Technology has sacrificed the leisure of holidays, the warmth of family, postponed the wedding date, delayed medical treatment, and gave up going abroad for further study. Many people have dedicated their youth and even their lives to the supercomputer development of the motherland without any regrets.

  Tianhe-1 has a deputy chief designer who suffers from diabetes and other diseases. During the installation and commissioning of the second phase of the "Tianhe-1" system, he stayed in the computer room for half a year. His illness continued to worsen due to irregular life and diet, but he insisted on not leaving his post. It was not until news came from the United States that Tianhe-1 had topped the world supercomputer rankings for the first time that he walked out of the computer room and was admitted to the hospital.

  Yu Wulong, a young lecturer, didn’t sleep for five days and five nights in order to design a high-level computer control system. On the sixth night, his wife, who woke up from her dream, found him still working at his desk like a demon. She grabbed the drawings on the desk and said, "If you keep fighting like this, I will cut these drawings into pieces!" The next morning, Yu Wulong went to Huangshan on a business trip again. No one expected that he fell ill at the foot of Huangshan and never came back.

  There are also 43-year-old Jian Xianfu, 40-year-old Zhang Shusheng, 41-year-old Wang Yumin… At the National Defense University of Science and Technology, there are more than 20 scientific researchers who have sacrificed their young lives for the cause of the "Galaxy" series of supercomputers. They measure their lives with their careers and turn them into cornerstones to support the dream of China’s technological take-off.

  Difficulties and hardships, Yu Ru Yu Cheng!

  The laying of communication optical fiber is the first phase of the second phase of the "Tianhe No. 1" system to be stationed in the National Supercomputing Center in Tianjin, and the time is urgent and the task is arduous. In midsummer, due to the temperature of the trench reaching more than 40 degrees Celsius, the surface of the cement is too rough, and the insulating rubber of the newly laid optical fiber has been worn out with cracks, and the wire cores are exposed in some places. If this problem is not solved, the signal will be interrupted, the communication will be short-circuited, and the system will be disrupted.

  Faced with this situation, the commander took off his clothes, jumped into the hot trench, and lay prone on the rough concrete floor. Everyone followed suit, and soon a "human flesh carpet" was laid, and optical fibers extended smoothly along the bodies of the officers and soldiers.

  Dozens of people lay naked in the trench for dozens of days, scraped all over by the hard cement and optical fibers, leaving 15,000 optical fibers unscathed. On the day of the system test, the moment the machine was turned on, all the communication lines were unimpeded…

  "It is this’Milky Way ‘spirit formed in overcoming obstacles and overcoming difficulties that has written the brilliant road of independent innovation with Chinese characteristics," Hu Qingfeng, a professor at the Computer Research Institute of National Defense University of Science and Technology in his 60s, told reporters with relief.

  link

  At present, the Tianhe supercomputer system is used in the National Supercomputing Center in Tianjin, the National Supercomputing Center in Guangzhou, and the National Supercomputing Center in Changsha.

  Among them, the Changsha Center is the only national-level supercomputing center in the central and western regions of our country, with the "Tianhe-1" supercomputer and the "Tianhe Tianma" artificial intelligence computing cluster. "Tianhe-3" will also be settled in the center in 2020. Relying on the Tianhe supercomputer system, the center has formed an integrated innovation application service platform for industry-university-research that integrates "scientific and technological research and development, technological innovation, public services, and talent training": supporting national and Hunan scientific and technological innovation, providing a total of 1205 users with high-performance computing, big data, cloud computing, and artificial intelligence services, supporting 142 national scientific research projects, and more than 430 other provincial and ministerial scientific research projects and enterprise cooperation projects; innovating service models, establishing a number of supercomputing sub-centers, industry joint laboratories, industrial park supercomputing service stations, etc.; building enterprise big data, financial risk control, SME supercomputing community, simulation services, video merchandise and other innovative platforms to serve the development of the whole industry; keep an eye on international The national science and technology frontier will build a popular science base and a "supercomputing star" crowd-creation space to help scientific and technological innovation and talent training in Hunan and the central and western regions.

  Witnesses say

  Advanced layout, independent innovation

  Dictator: Dong Dezun, Deputy Chief Designer of "Galaxy"/"Tianhe" New Generation High-performance Computing Interconnect System

  I have been working in the Research Room 604 of the Institute of Computer Science, School of Computer Science, National University of Defense Technology since I graduated with a doctorate in 2010.

  Laboratory 604 is a research collective with a long and glorious history and a glorious tradition. It has always been a key technical team in the development of the high-performance computing system of "Galaxy" and "Tianhe". I was fortunate to accompany the collective through the whole process of the development cycle of "Tianhe-2".

  The "Milky Way" and "Tianhe" team has always kept up with the international forefront in the development of high-performance computing systems, planning ahead, and using technological progress to promote the development of applications. In fact, when "Tianhe-1" was ranked first in the world supercomputing at the end of 2010, the "Tianhe" general division team had already started planning the work of "Tianhe-2".

  In the early days of the "Tianhe-2" project, I participated in the project demonstration work. At the same time, as a researcher of the high-speed interconnection system, I experienced countless project discussions, centralized closed development, and system-wide debugging of the interconnection subsystem. Especially in the first half of 2013, in order to catch up with the progress, we worked 24-hour shifts for system-wide debugging, and everyone often slept on the floor in the computer room and debugging room at night. At that time, it was May and June, and Changsha had already begun to heat up. Due to the focus of the power supply system of the National Defense University of Science and Technology, the air conditioning of the whole school’s offices was stopped, but the debugging room we were in was extremely cool, which could be regarded as a "benefit" brought by the adjustment.

  In the process of participating in the demonstration and development of the "Tianhe" interconnection system, I realized that the "Tianhe" team attaches great importance to basic research and the spirit of independent innovation. The development of high-performance computing systems places special emphasis on the hardware and software collaborative design methodology, and the effectiveness of the collaborative design methodology depends on the continuous performance evaluation ability of changes in hardware-software applications. In the later stage of the "Tianhe-1" project, our interconnection team began to lay out and develop independent collaborative design tools for the "Tianhe" system.

  So far, after more than 8 years of continuous independent development, we have broken through key technologies such as application-driven large-scale high-performance interconnection network performance evaluation, developed large-scale high-performance interconnection network simulation software that supports real application load, accurate network function model, and good scalability, filling the long-term gap in this field of the "Tianhe" team and even our country, and providing a powerful independent design tool for the "Tianhe" high-performance interconnection communication network to continue to maintain international leadership.

  (Text/Shi Quanjiang, Liu Wentao, Han Xue)

"Embroidery Spring Knife" exposes Zhu Dan’s behind- the-scene sword pointing to Zhou Yiwei and claiming to be a "woman"

    Produced by famous producer Zhang Jiazhen and directed by mainland young director Lu Yang, Zhang Zhen, Liu Shishi, Wang Qianyuan, Li Dongxue, Nie Yuan, Zhu Dan, Zhou Yiwei, Jin Shijie, Ye Qing and Zhao Lixin, the only romantic martial arts masterpiece starring in the summer season will be released nationwide on August 7. Today, the film announced Zhu Dan’s on-set beat-the-scene. In the video, beautiful woman host Zhu Dan incarnated as Wei Zhongxian’s adopted daughter Wei Ting, not only showed off his handsome action style in the film, but also was honored by the crew as "female hero Dan Ge" because of his hard-working professionalism on the set.

    From TV host crossover to film and television performances, gold medal host Zhu Dan has always flaunted her boyish character. This time in the movie "Embroidery Spring Knife", she got her wish to play Wei Ting, the loyal and loyal daughter who protects Wei Zhongxian. This character is not only handsome and courageous, but also has a good kung fu and is good at using a Western sword. Zhu Dan is also quite satisfied with the role, not only in the film, "Where did you get the idea, don’t want to die, come here to run wild" such domineering lines, but also from time to time on the set to play a cool role, and use the sword in her hand to "threaten" Zhou Yiwei to call herself a "woman", which makes Zhou Yiwei laugh and cry.

    The bed-the-scene also showed several hilarious secrets of Zhu Dan, the "heroine" in the process of cultivation. Because Zhu Dan has a scene of climbing the eaves and walking the wall in the film, it is required that the action of rolling must be done beautifully. Therefore, Zhu Dan will "roll" non-stop on the scene during the filming of this scene, and even she herself can’t help but complain that she is about to "roll" and become a master. In addition, Zhu Dan’s weapon in the film is a Western sword. In order to practice swordsmanship well, she often practices swordsmanship on the set to the state of ecstasy. However, such an "expert" didn’t even notice that the sword was always upside down. After the staff discovered this problem, Zhu Dan praised himself in a good mood, "I’m really an expert, and I won’t hurt myself if I take it upside down."

    However, it is not so easy to be a "heroine" in the actual shooting. Zhu Dan, who starred in an action drama for the first time, also suffered a lot during the shooting, not only tripping over a stone, but also spraining his ankle while practicing swordplay. But even after experiencing all kinds of pain, Zhu Dan still smiled and insisted on filming, which is why the staff of the crew honored him as "Dan Ge".

[Jiwang United with the whole people to fight fraud] Be alert! Live training with goods is harvesting middle-aged and elderly people!

Wangxin Zhaozhou

counter

cheat

lesson

hall

E-commerce with goods is the slogan of the times?

Is knowledge payment true or false?

belt

goods

foster

train

cheat

deceive

Shanghai network police

Do you want to catch up with the craze of online delivery?

Do you want to sit at home and get rich easily?

Recently, some Shanghai residents said that they had encountered e-commerce training fraud with goods, and they didn’t earn money, but the loss amount has exceeded 10,000, and most of the victims are middle-aged and elderly people.

Here, Shanghai Internet Police takes you to deeply interpret the layers of e-commerce training fraud.

PART 01

2024/04

PART 01 case introduction

Aunt Zhang, who is nearly 60 years old, is a deep user in Tik Tok. She often shoots small videos to share her life, and has gradually attracted the attention of fans.

One day, Aunt Zhang suddenly brushed a video, in which anchor A was promoting his "live delivery" course, and claimed that adding friends could "receive the video course for free".

Aunt Zhang was moved, added friends and listened to a free course. In the course, the other party launched a "one-on-one guidance member service", and as long as 2888 yuan, she could get the whole customer service guidance, which was euphemistically called "account operation is good, and everyone can make money while lying down".

Aunt Zhang was hesitant to pay the money at first sight, but the other party also said at this time that "if you don’t earn 2888 yuan in the follow-up, you can get a full refund". Aunt Zhang felt that she would not lose money. Listening to the "tutor’s explanation" in the video, she wanted to be rich. She could make money without going out, which was very tempting for the elderly. Soon after, he added the other "tutor" account and paid the first membership fee.

Since then, the other party has sent a teaching video to Aunt Zhang, but the video content is either extremely simple or difficult to understand, and the operation of Aunt Zhang’s account is not ideal. At this time, the other party’s "tutor" said, "As long as you spend another 4,999 yuan, you can upgrade the advanced service, which will not only improve the quality of the account, greatly increase the powder, drain and increase the sales of the window, but also fully manage the operation" and send other members’ "income screenshots". Aunt Zhang was reluctant to give up the 2,000 yuan course fee she had already invested, and was confused by the false screenshots, so she transferred 3,999 yuan with the mentality of "gambling".

After paying, Zhang Ayi’s account gradually began to gain powder and income, but the income was far lower than the investment. When Aunt Zhang contacted the "lecturer" again, she found that she had been blacked out and all the related platform accounts had been cancelled.

Little Tips

There are many ways to pay for knowledge

Be vigilant and don’t be credulous

PART 02

2024/04

Analysis of PART 02 technique

Step one

"Free course" drainage

Using the victim’s desire to get rich quickly, fraudsters put short video advertisements of live courses with goods through major platforms, and used "free courses" as bait to lure victims to add friends for brainwashing.

Step 2

"advanced service" payment

After the drainage is completed, the fraudsters gain the trust of the victims by sending "income screenshots" through private chat, and further defraud the funds through two means.

First, buy "member courses": fraudsters claim that they can provide "one-to-one guidance for goods" as long as they pay. In fact, the so-called "course videos" are all free videos available on the Internet.

Second-hand purchase of "traffic service": fraudsters will ask the victims to pay further on the grounds of "poor account quality" and "fast powder service". After paying, fraudsters will spend part of the money on buying the victim’s goods and zombie fans, creating the illusion of "successful profit", thus delaying and harvesting the victim step by step.

Step 3

"Stall" or "disappear"

Some fraudsters will appease them with a partial refund and sign a "non-complaint agreement" with the victims, so as to coerce the victims to stop defending their rights through alarm, reporting and online exposure.

In addition, after the victim pays a large amount, or the account is reported to be cancelled, some fraudsters will blacken the victim and disappear without a trace.

PART 03

2024/04

PART 03 network police reminder

1 Pay attention to middle-aged and elderly people

The high-risk victims of this kind of fraud are middle-aged and elderly people. As relatives, we can carry out targeted publicity on the relevant prevention points for the elderly at home, so as to enhance the ability to prevent fraud in training with goods. In case of related scams, report to the police in time.

2 formal platform to buy courses

It is necessary to purchase knowledge paid courses through official channels and formal platforms, and do not leave the third-party supervision trading platform to conduct private transactions through social accounts or transfers.

3 Be wary of "getting rich overnight"

There is no such thing as a pie in the sky. If you encounter advertisements of "high return", "lying down to make money" and "working part-time at home", please be vigilant, stay awake and don’t be credulous.

Original title: "[Jiwang United with the whole people to fight fraud] Be alert! Live training with goods is harvesting middle-aged and elderly people! 》

Read the original text

Huawei Cloud continues to empower the cultivation of digital talents in Jiangxi and inject "talent kinetic energy" into the development of digital economy.

Digital talents are the foundation of the development of digital economy. To achieve high-quality development of digital economy, it is inseparable from the cultivation of digital talents. Jiangxi Province continues to promote the policies related to the development of digital economy, focusing on strengthening the digital economy professional and technical personnel team and accelerating the construction of digital economy skilled personnel team, which shows Jiangxi’s expectation and determination for the cultivation of digital talents.

On the road of cultivating digital talents, Huawei Cloud empowers people and the campus environment in all directions around Huawei’s cutting-edge technologies and key core common technologies. At present, Huawei Cloud has achieved the integration of production and education with more than 30 colleges and universities in Jiangxi in 23 technical directions, such as HarmonyOS, Kunpeng, big data and artificial intelligence, and trained more than 3,000 ICT certified engineers every year to serve the local economic development. Digital talents have become an important support for the development of local digital economy.

Hand in handSpring Vocational College Helps the "Digital Jiangxi Army" to Develop Flourishly

As a resource pool of social talents, colleges and universities have already taken action to popularize and popularize basic knowledge such as computers, artificial intelligence and big data, but it is far from enough to rely solely on the strength of colleges and universities. The integration of production and education is undoubtedly an efficient way. With its leading technical strength, Huawei Cloud has provided all-round support for Jiangxi’s talent cultivation system, such as technology, curriculum and teaching reform services, innovative practice guidance, diversity competition support, teacher training in colleges and universities, and the docking of ecological enterprises, helping Jiangxi to build a "six-in-one talent cultivation ecology".

In 2022, Yichun Vocational Technical College officially signed an agreement with Huawei Cloud, and conducted in-depth cooperation in personnel training and campus services. The platform of Huawei Developer Innovation Center, which landed, cooperated with various secondary colleges to develop virtual simulation resources. At present, it has incubated virtual simulation resources such as preschool education, medical foundation, medical consultation and medical equipment, explored the development of AR reality-enhanced campus with the characteristics of vocational colleges, and vigorously promoted the first campus digital IP in the province in quality courses, live broadcast of innovation and entrepreneurship, and school history museum.

Among them, Huawei Cloud Developer Innovation Center, with the HarmonyOS course as the core, combines with the existing teaching in the school to build an IoT talent training base with HarmonyOS characteristics. The Developer Innovation Center relies on Huawei HarmonyOS, HMS and Huawei Cloud’s open capabilities to build exhibitions. Through 200+ courses, 10 experience scenarios and 4 hands-on labs, it has formed a diversified learning mode of "technical science popularization, interactive experience and hands-on practice", integrating experience, teaching and practice. At the same time, around the HarmonyOS software and hardware ecology, HMS application ecology and Huawei cloud technology, the integration of production and education innovation center. Developer Innovation Center includes exhibition hall, HarmonyOS Innovation Training Room, HarmonyOS IOT Training Room, Master Studio and two VR Training Rooms, to cultivate students’ hands-on practice and innovation ability, and to combine school cultivation with Huawei’s industrial practice in HarmonyOS to promote teaching by production and learning by production.

Moreover, the school also held a training course on Huawei developer certification in HCCDA campus, and carried out personnel training systems such as developer certification, talent double-election meeting, industry-university cooperation, fertile soil cloud creation plan, etc., which achieved the construction goals of leading students to grow, helping teachers to improve and helping school construction, and made every effort to create a better teaching environment and training conditions for students in Yichun Vocational Technical College. In addition, Huawei Cloud introduced HarmonyOS courses into the curriculum system through the curriculum reform in conjunction with colleges and universities, which enhanced the fit between related disciplines and specialties in colleges and universities and the needs of industrial development in HarmonyOS, and formed a new situation of deep integration and linkage development between higher education and HarmonyOS’s software and hardware ecology.

At present, Huawei Cloud has recommended the training courses and training programs of HarmonyOS operating system to 50+ universities in various cities in Jiangxi Province. Among them, more than 10 computer departments and software schools of universities, including Nanchang University, Jiangxi Institute of Applied Science and Technology, Jiangxi Taihao Animation Vocational College, and Huawei HarmonyOS experts have started the curriculum reform related to HarmonyOS.

Since then, the HarmonyOS system has been deeply incubating the talent ecological circle in Jiangxi, from the field of education to public welfare training, from the related curriculum reform in HarmonyOS to the construction of the developer innovation center, which has become the "new engine" for the continuous acceleration of talent cultivation in Jiangxi.

strengthenTechnical certified talentsCulture,prosperousJiangxi Digital Economy Talent Ecology

Not only in the field of education, the national people’s social system is also actively building a skills training system, closely focusing on the needs of the labor market and the employment of workers, and cultivating a high-quality workforce.

Yingtan, as the largest copper industrial base in China, is in urgent need of digital talents in the process of new industrialization, which brings new challenges to vocational training in Yingtan. First of all, the cultivation of skilled personnel should meet the requirements of industrial transformation and upgrading and technological progress. Secondly, it is necessary to improve the basic training capacity and supply capacity. Finally, it is necessary to further improve the pertinence and effectiveness of the training.

In this context, Yingtan Employment and Entrepreneurship Service Center cooperates with Huawei Cloud in depth, introducing Huawei Cloud technology resources, enterprise ecological resources and jointly building a vocational skills training system. At present, the center provides public welfare training services for enterprises, colleges and social groups in Yingtan City and surrounding areas, with a target annual training volume of 3,000 person-times, which promotes the continuous development and growth of innovative, applied and skilled talents.

Supported by Huawei Cloud’s advanced big data and artificial intelligence technology, Yingtan Employment and Entrepreneurship Service Center has formed diversified ways such as "Internet of Things training room, data communication training room, software technology training room, examination center and digital technology exhibition hall", and cultivated professional talents with post abilities such as Internet of Things installation and debugging, information and communication network operation administrator, software development and development engineer and software testing engineer, so as to gain a deep insight into the digital talent gap and keep up with the needs of industrial transformation. In addition, the two sides also jointly held an exclusive job fair for digital skilled talents, held regular skills competitions or training exchange activities, promoted vocational skills training in mechanic and technician colleges, and introduced enterprise vocational certification standards to form a talent chain for education, gathering, staying and using, which helped Yingtan City develop its digital economy and formed a benign talent ecosystem. It can support the completion of 2000 people’s ability evaluation and digital portrait of talents and 2000 people’s vocational skills training every year, improve the matching degree between talents and industries and the quality of employment, and create a new highland for talents gathering in Yingtan City.

At present, Jiangxi Province is striding forward on the road of innovation-driven development, and the demand for digital talents is accelerating. Huawei Cloud will actively participate in the talent cultivation in higher education, vocational education, people’s society, enterprises and other fields in Jiangxi Province, contribute to the cultivation of digital talents, and inject a steady stream of "talent kinetic energy" into the high-quality development of Jiangxi’s digital economy.

Smart electric vehicles enter the value war in the second half, who can become a dark horse? | New Vision

Produced by Phoenix Net Technology "New Vision"

If 2023 is a year of fierce fighting for smart cars, then this year’s smart electric vehicle market may usher in a turning point in competition.

In 2023, dozens of car companies at home and abroad, such as BYD and Tesla, started a new wave of price cuts. Under the unprecedented price war, last year, China sold 9.45 million new energy vehicles, up 37.6% year-on-year, and 30.05 million vehicles, up 11.9% year-on-year, a record high. The penetration rate of new energy vehicles was 31.4%.

According to the market rules, as the industry enters a mature stage, the rate of penetration increase will slow down, the competition in the industry will intensify, and the backward production capacity will undoubtedly be gradually cleared. The only question is, when the competition enters the second half, how can the car company "roll" the opponent in the fierce knockout?

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At the 2024 China committee of 100 Forum on Electric Vehicles, Gu Huinan, the manager of Haobo brand, pointed out that there are "machines" in the current market competition volume, and the forward-looking technology represented by EV (electrification) and ICV (intelligent networking) technology will be the key to break the game in the second half. From Mr. Gu’s speech, we may be able to understand the future of the new energy market.

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In the second half, car companies will compete for the right to speak technology around EV+ICV.

Under the price war, the new energy passenger car market in China in 2023 is full of mud and sand, no matter luxury brands, mainstream joint venture car companies or new forces, all of them are spared. Some forward-looking car companies are beginning to realize that a simple price war can no longer achieve a long-term competitive advantage in the future smart electric car market in China, and the price system of China automobile market needs to be rebuilt urgently.

"Now the high-end new energy is still in its infancy, and then it will enter the development period. We must not only fight price wars, but also fight value wars, including energy, autonomous driving and solid-state batteries, and new disruptive business models may be born. " Gu Huinan, the manager of Haobo brand, believes that "the current domestic smart electric vehicle industry is entering a critical turning point. To stand out from the competition, the key point is not the price involution, but the breakthrough in quality, technological change and transcendence."

Indeed, in the low-end automobile market, because of the basic and universality of products or services, price often becomes the key factor for consumers to choose, so the price of vehicles determines the pricing power to a great extent. However, in the high-end market, consumers will value service, experience and unique technological innovation. In other words, users are more willing to pay for high-end technologies such as 800V fast charging and high-end smart driving. And grabbing the right to speak in EV (electrification) and ICV (intelligent networking) technologies are the two cores of this battle.

Gu Huinan believes that the high-end field of new energy automobile brands is "organic in volume". And how to break the existing situation, he gave Hao Platinum’s answer on behalf of one of the few enterprises in China that is self-researched by "EV (pure electricity) +ICV (intelligent network connection)". In terms of EV, Haobo has a series of cutting-edge scientific and technological achievements, such as Haobo digital chassis, Haobo quark electric drive that can achieve "palm-sized motor is comparable to V8 engine" and Haobo magazine battery 2.0 that can’t catch fire after shooting. It is reported that Haobo will break through the key technologies of all-solid-state batteries, take the lead in releasing the industry’s first all-solid-state battery with high safety and large capacity, and strive to achieve mass production in 2026.

In terms of ICV, Haobo took the lead in obtaining the license for L3 self-driving road test in the first batch, and it is also the only L3 manufacturer that can check the video of the road test. Haobo L3′ s eight redundant system safety standards can achieve the highest safety guarantee in the industry, and the cumulative road test mileage is 10 times higher than the national standard. L4 autonomous driving technology will also be mass-produced in 2025.

Obviously, Haobo has firmly grasped the dominant position in grabbing the "EV (pure electricity) +ICV (intelligent networking) technology discourse right".

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"Industry+Capital" Two-wheel Drive

With an advanced, independent, stable and controllable industrial chain as a strong backing, plus advantages in technology and service, Haobo is regarded as an important "high-end potential stock" by the industry and capital.

At present, Haobo has signed strategic cooperation agreements with Iflytek and Ganfeng Lithium Industry through capital drive, and has accelerated its pace in the industry, and has successively established two intelligent manufacturing factories, and the third factory and the Thai factory are being completed and put into operation. In 2022, the company invested 10.9 billion yuan to build the Yinpai Battery Smart Eco-factory and put it into operation, which marked Haobo’s completion of the core puzzle of energy ecology.

On March 19th, at the NVIDIA GTC conference, NVIDIA announced an important cooperation with Haobo: jointly mass-producing L4 intelligent driving cars with 2000TOPS computing power. This news undoubtedly threw a bombshell into the scientific and technological circles and the capital market. The share prices of NVIDIA and GAC both rose sharply, and NVIDIA chose Haobo as a partner, which undoubtedly affirmed its technical strength and market prospects. It can be predicted that with the deepening cooperation between NVIDIA and Haobo, there will be an arms race in the field of autonomous driving in China, and Haobo will get a higher P/E ratio in the capital market.

Driven by the new round of scientific and technological revolution, the electric vehicle industry is undergoing profound changes. Price war is no longer the main theme, and value war has become the new focus of competition. Haobo brand successfully realized the transformation from price war to value war by mastering the core technology of "EV+ICV" and six major competitiveness, showing its forward-looking vision and innovative ability in the era of "electrification+intelligent networking". Looking forward to the future, in the second half competition of "electrification+intelligence", Haobo will undoubtedly become an important force leading the industry reform, and its performance is worth looking forward to.

The broken code of Love Myth: "Social Happiness" naturally flows in this city.

"Source of this article: Wen Wei Po"
The film "Love Myth" became a phenomenal work that many people commented on at the end of the year and the beginning of the year. A "Shanghai Piao" director and a group of Shanghai actors, using Shanghai dialect to interpret a painting of magic capital customs, not only brought a new batch of online celebrity punch cards, but also set off a textual research fever about love, women, urban life and the customs and culture of Shanghai.
Yesterday, the producer of "Love Myth" and the creative team walked into No.52 Yongfu Road to talk with cultural celebrities in Shanghai. It is the former site of the Literature Department of Shanghai Film Studio and now the location of the creative center of Shanghai Film Studio. In the places where directors Xie Jin and Wu Yigong worked in the past, everyone started from the film art and discussed what kind of urban life experience had nurtured this vivid film story. What kind of creative process and social aesthetic emotion finally contributed to the word-of-mouth "out of the circle" of this "Shanghai-style boutique" that shows a corner of Shanghai life.
Shao Yihui, the director and screenwriter of the film, said: "Everyone likes this film because they like Shanghai." After living in Shanghai for six or seven years, the post-90 s woman wrote a story about her daily observation of her neighborhood and friends around her. In her eyes, "this city has given me creative inspiration. The Shanghai culture I understand is inclusive and diverse, and truly respects people themselves and is people-oriented. "
Starting from people, writing about the vividness of specific people and accepting different attitudes towards life is just one of the broken codes of Love Myth.
Based on Shanghai, we can also jump out of Shanghai and hit the universal "social happiness theory"
To tell a story about the life of a contemporary Shanghai city in the whole process of Shanghai dialect, Xú Zhēng described it as "just thinking about it is very exciting".
As this series of restrictions shows, the incision of Love Myth is very small. There is no landmark of Shanghai in the frame of the film. It draws a radius of two kilometers around Wuyuan Road, and frames the action track of people in the film in the road that will never be widened, the houses hidden by phoenix trees, and the alleys that are compatible with galleries and shoe repair stalls. Coupled with the interpretation of Shanghai dialect, if Shanghai is the sea, Lao Bai’s story is just a drop of water.
However, it is by no means "narrow-minded", as can be seen from the constant stream of film reviews. Movies that make people want to say something will eventually resonate with some people.
Liu Haibo, a professor at Shanghai Film Academy of Shanghai University, said: "Shanghai dialect is of course the carrier of Shanghai culture, but only if it is a good film with beautiful characters and culture can everyone love me, love my dog." The specific projection of the "cultural beauty" expressed in the film includes the right sense of distance when people get along with each other, including Lao Bai’s respect for women, who are independent.
Shen Yifei, an associate professor at Fudan University and an expert in social and cultural anthropology, used the theory of "social happiness" to explain the considerable discussion caused by Love Myth. "Everyone is talking about Shanghai culture. In fact, Shanghai culture has a feature, that is,’ no judgment’. " When the director "does not judge and present truthfully", and does not generally classify Lao Bai, Lao Wu, Miss Li, Gloria and Beibei as positive or negative, real life will naturally flow. As a result, "in the movie, I saw the temperament of Shanghai residents who are stable and run their own lives. This kind of life is in line with our imagination of social happiness at present." It can hit the social aesthetic mood, and the film has a starting point for ripples.
WeChat official account’s "abnormal writing style" is famous for promoting Shanghai dialect. Zheng Jian, the author, also believes that "Love Myth" is based in Shanghai, but it can also jump out of Shanghai. "The sadness and joy expressed by the film are interlinked with many people". It is not limited to "Shanghai Special Offering". On the contrary, people who have run wildly in contemporary urban life may be hit by a fragment in the story, which is "broadcast" rather than "narrow broadcast".
In fact, creation itself is a process of getting out of the "narrow crowd". Xú Zhēng admits that when he got the script for the first time, he was amazed that it was actually written by a post-90s Shanxi girl.
Liu Haibo believes that when a city with all rivers running into it embraces new Shanghainese, more and more new Shanghainese look at Shanghai with a head-up view. As one of them, Shao Yihui’s head-up vision allows her to accurately capture the "this drop of water" in Shanghai, which reflects people’s pursuit of a better life state and more comfortable interpersonal relationships under the illumination of life luster.
"Don’t try hard", telling stories in the form of life flow and prose poems
In those days when Ma Yili played Miss Li, she often felt tangled and even tormented, because it was not too laborious to play. "Actors will get used to investing in the creation of a certain role. Usually, the characters will have great joys and sorrows and strong plots, but "Love Myth" does not. Miss Li seems to be the life stream itself. " Ma Yili was caught in some kind of war between heaven and man, while doubting that he was "not serious" because he didn’t exert himself during the performance. Another voice said, "I can’t exert myself any more, so I can only act like this".
Proper limit, permeating Miss Li’s behavior, also exists in the details of Love Myth. Zhou Yemang, who plays Lao Wu, compares the script to prose poetry, "It’s the same as poetry. Nothing is deliberately carved, but the artistic conception will naturally flow, and the group of pictures and pictures is a smooth poem. "
Zhang Zhihua plays Lao Bai’s mother, a respectable Shanghai mother. The first scene when she joined the group was that the mother and son broke up in discord. Laobai asked her mother’s back, "Have you eaten?" Her mother just waved her hand and didn’t even look back. The performance of "not much" was immediately praised by the director, and the image of an elderly person who was not hysterical also warmed the actor for a long time. "It is an opportunity for middle-aged and elderly people to return to the cinema to watch movies."
Not hard, not much, like a poem, the film comes from the accumulation of life. Love Movie just goes through the angle of genre film, digs out the small and beautiful "diamond" shining in urban life with a particularly peaceful mind, and then polishes it well.
The intuitive feeling of the creator has been recognized by scholars. Mao Jian, a professor at East China Normal University, said: "It is a very advanced grammar to film in the form of prose, and this grammar is almost absent in contemporary movies." In the tradition of film creation in Shanghai, there is no shortage of prose poetry-like films. Wu Yigong’s Old Things in the South of the City and evening rain are all the same. It is a way of story structure that breaks away from the framework of western genre films.
Mao Jian regards "Love Myth" as a very good text demonstration. "We can compete not only in China, but also in the world movies, whether in the form of life flow or prose.".
As one of the film producers, Wang Jianer, the chairman of Shanghai Film Group, introduced that since last year, Shanghai Film Group has launched the "Newcomer’s New Work Plan". "Young directors like Shao Yihui who can go deep into life and reproduce their lives are the goals pursued by Shanghai Film Group’s Newcomer Plan. At the same time, excellent filmmakers like Xú Zhēng, Ma Yili and Zhou Yemang are also needed to help young filmmakers grow and mature. "
Author: Wang Yan
Editor: Jiang Fang
Editor in Charge: Fan Xin
Reporting/feedback

Employment discrimination gives birth to "physical examination gunner". Physical examination group earns millions a year (Figure)


Physical examination "gunman group" earns millions a year.


  At present, it is the peak of the physical examination for graduates. In exchange for a "spotless" physical examination report, some people began to look for "physical examination gunmen". Because of the loopholes in hospital management, the "gunmen" exploited the loopholes. Behind the survival of the physical examination "gunman", it once again reminds the society that the employment discrimination problem needs to be solved urgently.


  job seeker


  Who will take my physical examination and pay 500 yuan?


  "The university is graduating soon, and I finally found a job, but the employer asked me to issue a medical certificate. I am a hepatitis B virus carrier, but my liver function is normal and I am not contagious. I hope to find a good-hearted person to take my medical examination. I will provide 500 yuan nutrition fee and I will pay for the medical examination fee. " Recently, a post like this appeared on a forum.


  The reporter contacted the poster Ronaldinho according to the way this post was left. He claimed to be a fresh graduate of a university in Zhongshan and worked as an intern in a foreign company last December. "They were satisfied with my conditions, but after the physical examination, they turned me down because I was a hepatitis B virus carrier."


  Ronaldinho is very depressed about this. This month, when he went to another company for an interview, he decided to find someone similar to himself for a physical examination based on the experience taught by his predecessors. He said with emotion: "Now the employment pressure is so great that it is hard to find a job, and I have to worry about the physical examination. It is really sad to think about it."


  Ronaldinho told reporters that in the circle of hepatitis B virus carriers, it is an unspoken rule to find a "gunman" in the physical examination. He said: "Recently, it is the peak of graduation job hunting. Many people are looking for’ gunmen’, and some even call for the establishment of a medical examination alliance."


  "Gunners’ Regiment"


  Business across regions, nearly a thousand people a year for inspection.


  According to the data released by the Personnel Bureau of Zhongshan City, the number of college graduates in Zhongshan will exceed 20,000 this year, the highest in history. The employment situation is not optimistic. For hepatitis B virus carriers, their situation is even more embarrassing.


  With the increasing employment pressure and social discrimination, hepatitis B virus carriers have suffered more harm than hepatitis B virus itself. The reporter learned that there are still many units that have more or less "hepatitis B discrimination", which has given birth to things like "missing people for physical examination".


  It is no secret that the physical examination "gunner circle" in the Pearl River Delta has a high income. Ronaldinho also told reporters that a few years ago, the price of "gunner" for inspection only needed 250 yuan, and at most 500 yuan. Now, the price of finding a professional "gunner" has almost quadrupled, so he only considered looking for body double in the campus forum.


  "Hepatitis B discrimination" and good income make some gunmen see business opportunities, and they even unite to set up a "inspection company". The reporter learned from the investigation that the "business scope" of some companies has gone beyond a single city, and many "gunmen" claim to have businesses in Shenzhen, Guangzhou, Dongguan, Zhuhai and Zhongshan. Some people even revealed that their operation team provides business for nearly a thousand people every year, with an annual income of over one million yuan.


  boast wildly


  No matter which hospital, it is guaranteed to pass the customs.


  Through Ronaldinho, the reporter contacted a physical examination "gunman". "We have professionals to do the inspection, and the charge is 2,000 yuan at a time." He said that for the physical examination of the agent, his team has been operating for a long time and everything is easy to solve.


  The "gunman" asked the reporter which hospital he would have a physical examination in, and said that he had accumulated contacts in many hospitals. "All hospitals in Zhongshan have to put photos and stamps and show their ID cards when they have a physical examination, but no matter which hospital, we can help pass the customs."


  "I help you to do the people’s hospital, top three hospitals, more authoritative. Pay a deposit in 500 yuan in advance and provide ID information. " Later, he sent a paragraph on the Internet: Zhongshan People’s Hospital, hand in your ID card during the physical examination, then register the information and send a physical examination form. There are photos, and the place where blood is drawn is one meter away from the registered place, which is suitable for "gunmen" to do all the projects.


  "Then how can I give you the money? How can you promise not to lie to me? " When the reporter asked for an interview, the "gunman" became wary. "You can transfer money or come to Dongguan People’s Hospital to meet me, but I won’t go to Zhongshan. We are not people who can be called out by a phone call."


  Hospital: impossible to prevent and have no right to punish.


  Because of the strict inspection, Zhongshan People’s Hospital and Pok Oi Hospital are called "restricted areas for substitute inspectors" by some "gunmen". The relevant person in charge of the two hospitals said that the substitute can be found almost every month, but the hospital can’t punish the parties.


  Feng Yanggen, chief of the physical examination center of Pok Oi Hospital, said, "Although the hospital is strictly controlled, it is impossible to completely eliminate this phenomenon. Hospitals are not law enforcement agencies and there is no way to punish them. "


  Voices of all parties


  Health department: looking for someone to check for you will cause endless trouble.


  Regarding the phenomenon of impersonation in physical examination, the relevant person in charge of the office of Zhongshan Municipal Health Bureau said that although there are many reasons for finding "gunmen" to replace physical examination, it is the employee’s irresponsibility to himself. Physical examination on behalf of the examination will not only be harmful to society, but also cause adverse consequences to the medical examiner, medical institutions and employers, and will also bring adverse consequences to the health, study and employment of the person being examined.


  Enterprise: You must know the health status of employees.


  The person in charge of the human resource management department of an IT enterprise told the reporter that from the perspective of employing people, the unit must understand the health status of employees. "If a person clearly needs to rest in poor health, but the company gives him a very important and stressful project without knowing it, does this help him or hurt him?"


  Expert opinion


  Employment discrimination gives birth to "physical examination gunner"


  In a forum called "physical examination bar", the reporter saw that many medical examiners who posted for help showed their helplessness. A netizen named "hou1979" left a message saying that he is a carrier of hepatitis B virus. This year, the unit requires everyone to have a physical examination, so he can only try his luck to find the "gunman".


  Experts from the Nanjing Municipal Center for Disease Control and Prevention bluntly said that before the employment discrimination was effectively resolved, some people were really helpless to find a "gunman" for medical examination. On the one hand, they are asking major hospitals to strengthen the examination; on the other hand, they hope that the unit can face up to the results of the physical examination and consider it humanely for the professionals.


  Lawyer’s suggestion


  No longer check for hepatitis B in the physical examination.


  Ms. Huang Yizhi, who is in charge of assisting the parties in Beijing Yirenping Center, an anti-discrimination public welfare organization, said that in the world, carrying hepatitis B virus belongs to the personal privacy of workers, and employers have no right to conduct hepatitis B virus tests on workers, let alone discriminate against hepatitis B virus carriers and deprive them of equal employment rights.


  In this regard, some lawyers suggested that relevant laws and regulations should be introduced to standardize the contents of physical examination and cancel the hepatitis B virus examination at the time of on-the-job physical examination.


  Accelerate the pace of legislation to eliminate "hepatitis B discrimination"


  Although from a legal point of view, the physical examination of "gunmen" will lead to deception, cheating and other hazards, but most netizens will respond with sympathy and understanding to the abundant information of "looking for guns" on the Internet.


  Some netizens believe that at present, some employers do have violations and discrimination in the medical examination system, and the "hidden rules" of refusing to hire patients with diseases such as "Big Three Yang" are still in effect in some units. In real life, due to the unequal status of employers and employees, it is not easy for workers to safeguard their own rights and interests. Therefore, we should speed up the pace of legislation and eliminate "hepatitis B discrimination".

Editor: wangxin

Please collect! "Guide to the Treatment of Tooth Injury" that must be learned before skiing.

With Harbin’s "going out of the circle" this winter, many southern friends have plans to go skiing. We can’t ignore the risk of injury caused by ice and snow sports. Falling on the snowy road can easily cause tooth trauma, which will cause many adverse effects if it is not handled in time.

How to prevent tooth trauma when skiing?

Before skiing, you should fully warm up. When skiing, you should wear protective equipment such as helmet and protective denture correctly to minimize the risk of tooth injury. In addition, it is best to be accompanied by professionals when exercising.

Sports protective denture

I dislocated my teeth while skiing.

Do it at the scene!

In case of tooth dislocation during skiing, please find the tooth as soon as possible. If the tooth is dirty, it can be washed gently with milk or normal saline, or soaked in the patient’s saliva. Then hold the crown, don’t touch the root of the tooth, put the root into the alveolar fossa, and gently bite the posterior molar.

If the child has a tooth injury and refuses to put the fallen tooth back into the mouth, please don’t wrap the tooth with paper or dry it, but soak it in milk.

After tooth dislocation, go to the hospital for treatment as soon as possible.

After the basic emergency treatment, please go to the nearest hospital for treatment, grasp the golden treatment time, and replant the teeth within 15-30 minutes, which can greatly improve the success rate of treatment. The specific diagnosis and treatment process is as follows:

1. Film inspection:X-ray examination is needed after tooth dislocation, and oral CBCT(Cone Beam CT) is taken if necessary to check whether there is alveolar bone fracture.

2. Treatment of dislocated teeth:Dislocated teeth generally need to be reset under local anesthesia, fixed elastically for 2-4 weeks, and taken orally with antibiotics if necessary.

3. Precautions after treatment:

During elastic fixation, patients should pay attention to maintaining oral hygiene, brush their teeth with a soft toothbrush after meals, and use mouthwash if necessary.

Avoid eating too cold to stimulate the teeth, and brush your teeth with warm water.

Soft food for two weeks, don’t bite hard objects with your affected teeth (apples can be cut into small pieces and chewed with your back teeth).

Avoid taking part in antagonistic sports.

Follow the prescribed time for follow-up. (The article comes from: "Nanjing Stomatological Hospital" WeChat WeChat official account)