This rate is called frequency and is measured in Hertz, or vibrations per second.

这种速率叫做频率，计算单位为赫兹(每秒钟振动频率)。

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This rate is called frequency and is measured in Hertz, or vibrations per second.

这种速率叫做频率，计算单位为赫兹(每秒钟振动频率)。

youdao