Standard work period frequency annualization factor.

标准工作期间频率年计系数。

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Applying period frequency spectrum method to analysis of digital seismic recording is discussed in this parer.

论述了周期-频度谱方法在分析数字化地震记录中的应用。

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In astronomy, in optical astronomy, we cannot measure the period or the frequency of optical light.

在天文学中，在光学天文学中，我们不能测量周期或者可见光的频率。

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The time period and frequency are reciprocals.

周期和频率互为倒数

耶鲁公开课 - 基础物理课程节选

The period, that's right. So, it's going to take one period to move that long. And another way 1 we can say period is just 1 over nu or 1 over the frequency So, now we know both the distance traveled and the time the elapsed.

还是？周期，对的,它需要一个周期的时间,另一种说法是周期是,除以nu，也就是1除以频率,现在我们同时知道了。

麻省理工公开课 - 化学原理课程节选

And he finds that the patents acquired in that time period tend to be of higher quality than the patents produced internally in the post-IPO period as measured by frequency of citation.

FORBES: Stanford Study Finds Companies Get Less Innovative Post IPO

Suppression has often been shown to increase the frequency of the unwanted thoughts you were trying to rid yourself of, once the period of active suppression is over.

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