For example, the magnetic poles are indeed moving.

例如，磁极确实在移动。

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The magnetic poles have swapped ends frequently, if not regularly.

磁极经常交换了目的，如果不是经常。

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So this is one of the magnetic poles and this is the other magnetic pole.

这是另一个磁极，一个磁极和。

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They'd balance a spoon-shaped piece of magnetic rock on any flat surface, and since it was magnetic, the handle would swivel to align itself with the Earth's magnetic poles.

FORBES: Magazine Article

Furthermore, scientists are keen to find out if the Earth's magnetic poles are about to "flip" - with magnetic North becoming South, and vice versa.

BBC: Planet Earth

They will focus on the places above the poles where the wind pierces the earth's magnetic defences and causes, among other things, the shimmering lights of the aurora borealis and aurora australis, and interference with radio communications.

ECONOMIST: Birds of a feather