Instructions for Presenters：
Each keynote presentation is allocated 25 minutes plus 5 minutes of questions and answers. Presentation slides should be created at a 16:9 ratio.
Each regular presentation is allocated 12 minutes plus 3 minutes of questions and answers. Presentation slides should be created at a 4:3 ratio.
For online presenters:
A) Online presenters can share screens for online presentations via ZOOM（Tencent meeting）;
B) The presentation videos can be recorded in advance. And the videos should be sent to the conference assistants before 22nd August. The size of the recorded video should not be larger than 100Mb.