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几千为什么用K

更新时间: 2020-11-02 00:00:00     

几千用K是国际单位制里,k就表示千km,kg,,kW对应的英文单词都有kilo这个前缀,表示1000,而且kilo作为一个独立出现的单词时表示kg,所以就形成了几千用K。t不能用来表示千,一是因为没有这样的习惯用法,二是因为不止是thousand以t开头,trillion(万亿)也以t开头。

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