file:目录.doc file:wulidianxuezhangwen.pdf file:4 交流电.flv file:3.6 电磁感应练习.flv file:2.8 磁场应用4、5、6：电磁式流量计、磁流体发电机、霍尔效应.flv file:2.7 磁场应用3：回旋加速器.flv file:2.6 磁场应用1、2：近代应用、质谱仪.flv
file:目录.doc file:wulidianxuezhangwen.pdf file:4 交流电.flv file:3.6 电磁感应练习.flv file:2.8 磁场应用4、5、6：电磁式流量计、磁流体发电机、霍尔效应.flv file:2.7 磁场应用3：回旋加速器.flv file:2.6 磁场应用1、2：近代应用、质谱仪.flv