它等于T分之一，单位是秒的负一次方,大部分物理学家叫它赫兹

It is one over T, and so the units are seconds minus one but most physicists would call that "hertz."

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物体发声时振动的次数叫做频率，计量单位是赫兹。

The number of vibrations an object makes while it's making a sound is called its frequency, which is measured in Hertz.

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这种速率叫做频率，计算单位为赫兹(每秒钟振动频率)。

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

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