Here is the English translation:
What features are available on the new platform?
Menu below the course video (from left to right):
Previous lesson, Play/Pause video, Next lesson, Volume control, Playback speed, Subtitles, Fullscreen, Video quality, Autoplay on/off
Right-hand side:
Course unit menu, lecture notes download
Directly below:
Course announcements, problem discussion
Video Tutorial - Overview of Class Features
Web Version
Mobile Version
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