讲座收看地址：
zoom：
Join Zoom Meeting
https://zoom.us/j/91715852844?pwd=blhURDZBVEVKdzgyVGVFYzFMaXd3QT09
Meeting ID: 917 1585 2844
Passcode: 458359
Slido：
https://app.sli.do/event/eRH4Mt3qvFnz7Ccs5r7Jnw
