b:[["$","meta","0",{"charSet":"utf-8"}],["$","meta","1",{"name":"viewport","content":"width=device-width, initial-scale=1, maximum-scale=1, viewport-fit=cover"}]] 1b:T485,# Live Introduction ![](https://a2.vzan.com/live/11749549/upload/image/png/20240712/8ed956f40e0b4c76a6bc35654413b5c5.png) # Case Presentation ![](https://i2.vzan.com/live/11749549/upload/image/jpg/20240713/38d135fc4d5c421ba673d26f1a7859b6.jpg)![](https://i2.vzan.com/live/11749549/upload/image/jpg/20240713/74837355ab64405f9d82307bb8572c44.jpg)![](https://i2.vzan.com/live/11749549/upload/image/jpg/20240713/4c0e523a75e645c88c43cb724664f565.jpg)![](https://i2.vzan.com/live/11749549/upload/image/jpg/20240713/7a602baba878404ca2ae76413e7f959c.jpg)![](https://i2.vzan.com/live/11749549/upload/image/jpg/20240713/99e34e7cbb944c038d5957cad2315373.jpg)![](https://i2.vzan.com/live/11749549/upload/image/jpg/20240713/9180bcfffb8e410aac2c1323728f2239.jpg)![](https://i2.vzan.com/live/11749549/upload/image/gif/20240713/2104dcb5bb784fe49bcfe3ad01c40c4f.gif) ![](https://i2.vzan.com/live/11749549/upload/image/gif/20240713/10e0b71a5ec442f9b1e4ea48e4ab9204.gif)![](https://i2.vzan.com/live/11749549/upload/image/jpg/20240713/a7814771b635441e901954a205929aa3.jpg)![](https://i2.vzan.com/live/11749549/upload/image/jpg/20240713/5a52cee5a03d4d32bb00c8a4ad41ce47.jpg)1c:T4c6,

Professor Cai Yunqiang Live Room

Channels