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手表一周慢多少正常吗
更新时间: 2020-11-10 00:00:00  

手表一周慢十秒钟左右算是正常的,通常把手表因摆幅变化所引起的日差的变化量,称为等时性误差,简称等时差。其实快慢针是为制造和维修时的专业操作方便而设计的一个钟表机构,而不是为用户设计的。事物总有它的两面性,在带来方便的同时,它也一定会有另一方面的问题,即“等时性”问题,即使最好的微调机构,也不可避免。

关键词: 手表 多少 正常

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