Selected course videos.

As video files are provided in the Siyuan space and they are big. Here only one online audio + ppt presentation is shown. It was recorded by the Tencent meeting software on Dec 06 2022 during the online class as the Covid-19 was severe at the time. TM-20221206095512-391803839-recording-1.mp4

思源学习空间 (xjtu.edu.cn), each hour class video is about 1.5 GB. 无标题.png

Notice some videos are empty, as on those days the classes were online!