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地球的东西半球如何区分
更新时间: 2020-07-13 00:00:00  

西经20度向东到东经160度为东半球,西经20度向西到东经160度为西半球。原因:没有用0度和180度的经线圈划分是因为它们穿过的陆地部分向对较大而西经20度和东经160度经线圈基本在海洋中穿过。判断方法:东经和160度比,大于160在西半球,小于160在东半球。西经和20度比,大于20度在西半球,小于20度在东半球。

关键词: 地球 东西 半球 如何 区分

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