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- terrestrial magnetic poles 地磁极
- North magnetic poles repel (each other). 磁北极与磁北极互相排斥。
- terrestrial magnetic pole 地磁极
- The magnetic poles are far more restless. 极更是不平静。
- North magnetic poles repel each other. 磁北极与磁南极互相排斥.
- Handly magnetic pole tester easy to use. 准确易用。是厂家必备工具。
- These regions of strong attraction are called magnetic poles. 这些有着强大吸引力的区域就叫做磁极。
- A few remarks are about the concept of magnetic poles. 现就磁极的概念作出一些说明。
- A single, isolated magnetic pole has never been found. 单一的、孤立的磁极从来未找到。
- In regions near the magnetic poles,compasses are virtually useless. 在磁极附近区域，罗盘实际上已经失去作用。
- A variable inductor used to measure variations in terrestrial magnetism. 磁力比较器；磁偏计用来测量地磁中的变化的一种可变性感应器
- There is a force field around the arbitrary magnetic pole. 在任一个磁极的周围有一个力场。
- In regions near the magnetic poles, compasses are virtually useless. 在磁极附近区域，罗盘实际上已经失去作用。
- The magnetic poles are quite distant from their geographic counterparts. 磁极离它们的地极很遥远。
- These material periodicity regular movements and so on convection as well as Earth polar axis rotation are possibly the basic source powers which the terrestrial magnetic field produces. 这些对流以及地球极轴自转等物质周期性规律性运动可能是地球磁场产生的根本源动力。
- A distinction between positive(north) and negative(south) magnetic poles of an electromagnet or permanent magnet. 一种电磁体或永磁体的南北磁极之间的区别。
- A distinction between positive(north)and negative(south)magnetic poles of an electromagnet or permanent magnet. 一种电磁体或永磁体的南北磁极之间的区别。
- It is also a proven fact that the magnetic poles wander, literally zig-zagging around its axis. 磁极摇摆，意思是围绕它的轴之字形急变也证明了这样的事实。
- A distinction between positive (north) and negative (south) magnetic poles of an electromagnet or permanent magnet. 一种电磁体或永磁体的南北磁极之间的区别。
- Occasionally, however, the dipole part of the field reverses, causing the locations of the north and south magnetic poles to switch. 不过，有时候磁场的偶极部分会倒转，导致了北磁极和南磁极的位置转换。
