Frequency statistics are used by the optimizer to calculate filter factors for predicates that check for equality or inequality. For example.

优化器使用频率统计信息来计算用于检查相等或不等的谓词的过滤因子。

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This means that every sampling_rate, the kernel will check the processor utilization and if it is below 20 percent utilized, the governor will decrease the frequency.

这意味着，内核将按照 sampling_rate 指定的时间间隔检查处理器利用率，如果低于百分之 20，调控器会降低频率。

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You should check all the frequency allocations for your area.

您应该检查所有频率分派您的区域。

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And you check the frequency and then inferences are made about your overall intake from that.

核对频率,然后根据你的总摄入量,得出结论

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

And employees are taking advantage, with some checking dashboards and KPIs every 5-10 minutes, or the same frequency that they check e-mail on their smartphone, he says.

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Check out the video below of a piezo jet having its frequency modified like a speaker to play us a holiday tune.

ENGADGET: GE uses dual piezo jets to keep a Core i7 laptop cool, play a merry tune (hands-on video)

To measure the frequency of repairs for a particular vehicle, it compared the percentage of reported check engine failures for that model to its share of all 136 million 2002-2012 model-year vehicles on the road.

FORBES: How To Predict What Will Go Wrong With Your Car Down The Road