Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,*,*,专题七电磁现象与规律,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,物理量,单位,物理意义,磁通量,Wb,表示某时刻或某位置穿过某一面积磁感线的条数的多少,磁通量的变化量,Wb,表示在某一过程中穿过某一面积磁通量变化的多少,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,