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地球上有几分山几分水几今田
更新时间: 2020-10-01 00:00:00  

古人云,三山六水一分田。这个描述相当接近包括海洋在内的地球的地貌。实际地球表面积约5、1亿平方公里,其中海洋占百分之七十一。陆地占百分之二十九。海洋和陆地比例约为七比三。世界现有耕地总面积约为15亿平方公里,约占世界地表总面积的百分之十一。

关键词: 地球

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