The magnetic state of a bar magnet or a horseshoe magnet is extremely complicated.
条形磁铁或马蹄形磁铁的磁态是极其复杂的.
词典精选例句
If the bar magnet is simply held stationary near the coil, no current is indicated.
如果磁棒单纯静止在线圈附近, 就检测不到电流.
词典精选例句
因为地核流在旋转轴周围存在着一些对称,所以相关的磁场与棒磁铁的磁场相似。
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