短語詞組短語magnetic vector potential 磁矢位;磁矢量位;磁場曏量位magnetic vector potential method 矢量磁位法modified magnetic vector potential 脩正矢量磁位magnetic vector potential a 矢量磁位anon divergence magnetic vector potential 無散磁矢勢magnetic potential vector 磁位矢量non -divergence magnetic vector potential 無散磁矢勢Cosmic magnetic field vector potential 宇宙磁場矢勢 返回 vector magnetic potential