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漫长而严酷的极夜如何度过？依然有野生动物活动
source link: http://tech.sina.com.cn/d/a/2018-02-19/doc-ifyrswmu1795621.shtml
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新浪科技讯北京时间2月19日消息，据国外媒体报道，对任何人来说，地球两极的冬天都是难以承受的体验。太阳会在南极和北极的天空中消失数月，漫漫长夜中，气温能降到摄氏零下40度。在猛烈的狂风不断吹袭下，动物很难在这时候找到食物。然而，还是有一些动
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