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不可想象,地球的南、北磁极是在不停地进行周期性的变换。但这确实是真的,只是目前还无法解释这种现象发生的原因。虽然我们现在还没感觉到什么,但这一现象迟早是要发生的,其后果也是严重的:成群的动物失去方向感,电脑系统受到威胁,带电粒子纷纷从宇宙中落向地球。不过,现时这种地磁翻转可以帮助我们测定古地质年代。
It is inconceivable that the south and north poles of the earth are constantly changing cyclically. But this is indeed true, but it is not yet possible to explain the reasons for this phenomenon. Although we have not felt anything yet, this phenomenon will happen sooner or later. The consequences are also grave: groups of animals lose their sense of direction, their computer systems are threatened and charged particles fall from the universe to the earth. However, this current geomagnetic inversion can help us to determine the paleogeographic age.