Practice and Thinking of "Full Online" Remote Hybrid Teaching under Novel Coronavirus Pneumonia Epidemic
Xiaofei Ma, Yalu Ma, Yun Tian, Xue Qin, Hongling Gao, Huaji Liu, Fanli Lu
University Chemistry . 2020, (5): 29 -32 .  DOI: 10.3866/PKU.DXHX202002060