It is what is called a dipole field with a north and South pole.
它就是所谓的偶极场——具有一个北极和一个南极。
All its metal pole pieces in place for higher gap field strength.
所有的金属在磁场强度更大的缺口磁极位置。
There is a force field around the arbitrary magnetic pole.
在任一个磁极的周围有一个力场。
The pole vault is truly the highlight of any track and field competition.
撑竿跳高确实是所有田径比赛中最精彩的项目。
The pole vault is one of the most complicated events in track and field.
撑杆跳高是田径项目中技术最为复杂的项目之一。
The pole vault is truly the highlight of any track and field competition.
撑杆跳的亮点是真正任何田径比赛。
The magnetic field strength1cm from a unit magnetic pole.
距单位磁极厘米处的磁场强度。
The magnetic field strength1cm from a unit magnetic pole.
距单位磁极厘米处的磁场强度。
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