这种变化与地球磁场曾经发生过的变化相比还算温和的——有时地球磁场会完全翻转，地磁北极和地磁南极会对调。
These changes are mild compared to what Earth's magnetic field has done in the past —sometimes the field completely flips, with the north and the south poles swapping places.
这种变化与地球磁场曾经发生过的变化相比还算温和的——有时地球磁场会完全翻转，地磁北极和地磁南极会对调。
These changes are mild compared to what Earth's magnetic field has done in the past - sometimes the field completely flips, with the north and the south poles swapping places.
处于亮椭圆地区的北极极光与南极极光相比，显得体积较小但密度更大。这意味着土星的磁场并不是均匀分布的。
This implies that Saturn's magnetic field is not equally distributed across the planet.
这意味着磁北极的变化与南极磁场发生。
This means that the magnetic North Pole changes place with the magnetic South Pole.
我想让人们知道，让中国人知道，南极与北极是什么样的，什么是真实的。以及那里的情况都是很重要的。
I want to let the people know, let Chinese people know, how the Antarctic and the arctic look like, what is true, and about the situation there are all very important.
北极居住着各族人民。与北极显然不同的是，南极却没有永久性的居民，因为那里的气候不利于人类生存。
The Arctic is populated with people of different nationalities. The Antarctic, in contrast, has no permanent residents because the climate there is unfavourable to human survival.
磁北极与磁南极互相排斥。
磁北极与磁南极互相排斥。
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