本周组会于2020年12月31日（周四）下午2:00进行，在校同学请到化工实验楼C317参加会议，未返校同学使用腾讯会议参会，组会内容如下：
张竹君-实验工作及问题总结。
This week’s group meeting will be held at 2:00 pm on December 31 2020 (Thursday）in C317. Students who have not returned to school use the Tencent meeting to participate.
The content of the group meeting is as follows:
Zhang Zhujun-Summary of experimental work and problems.
