地球表面上地磁场方向与地面垂直、磁场强度最大的地方,称为地磁极。地磁极有两个(磁北极和磁南极),其位置与地理两极接近,但不重合。现代地球的磁极其地理坐标分别是:北纬76°1′,西经100°和南纬65°8′,东经139°。
... Earth S Pole Reverse 地球磁极逆转 earth magnetic pole 地磁极 ; 地球磁极 Secular drift ofthe earth' pole 平极长期漂移 ...
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这些破坏了地球的磁场和扭转地球磁极'旋转方向。
These disrupt the Earth's magnetic field and reverse the Earth's magnetic poles' rotational direction.
地球磁极的方向,当不受当地磁场影响时,用来寻找北方磁极指示的方向。
The direction of the earth's magnetic pole, to which the north-seeking pole of a magnetic needle points when free from local magnetic influence.
假如地球磁极逆转而造成生物大量灭尽,那就不难表明为何每隔一段时间,使地球文明周期性的毁灭。
If the Earth's magnetic pole reversal caused by biological extinction, it is not difficult to explain why from time to time, so that the periodic destruction of the Earth civilization.
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