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30赫兹等于多少秒怎么计算
更新时间: 2020-09-20 00:00:00  

1、这里涉及两个不同的物理量,没有直接的等量关系;

2、往复运动中每往复一次(或者正弦交流电变化一周)所需的时间叫周期T(单位:秒);

3、每秒钟包含的周期数称为频率f(单位:赫兹)。频率与周期互为倒数关系,即T=1/f。当频率f=30赫兹,则周期T=1/30秒。

关键词: 赫兹 等于 多少 怎么 计算

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