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地球一圈有多长啊
更新时间: 2020-10-01 00:00:00  

赤道周长大约为40076千米。

地球赤道半径6378、137千米,极半径6356、752千米,平均半径约6371千米,赤道周长大约为40076千米。

一个类球体广义上的一圈是说通过其质点所在平面与其表面的交线。狭义上就是指赤道。赤道大约是40076千米。

关键词: 地球

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