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地球分为哪几部分
更新时间: 2020-07-13 00:00:00  

1、以西经20度和东经160度所构成的经度圈为界,分为东西两个半球;

2、以赤道为界,分为南北两个半球;

3、以南北回归线,南北极圈为界分为热带,温带,寒带;

4、从地球内部,依次为内核,外核,下地幔,上地幔,地壳等。

关键词: 地球 分为 部分

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