a bar magnet meaning in English

一条磁铁

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。
The form of the stable geomagnetic field is like that of a bar magnet at the center of the earth
稳定地磁场的形状与地球中心的棒磁铁的形状相似。
That shape , something like an apple sliced downward through its core , would be constant for a bar magnet
形状像苹果的向下穿过它的果核的心形薄切片,对条形磁铁来说磁线是恒定不变的。
Because the core current is somewhat symmetrical around the axis of rotation , the associated magnetic field is similar to that of a bar magnet
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。