TY - College Physics A1 - ZHENG Wei-min, ZHANG Xiao-juan T1 - Teachingpractice of college physics course under the background of COVID-19 pandemic Y1 - 2020-11-10 JF - College Physics JO - College Physics SP - 67 EP - 71 VL - 39 IS - 11 UR - https://dxwl.bnu.edu.cn N1 - 10.16854 /j.cnki.1000-0712.200253 ER -