The inspection items, check frequency and major quality control items of common materials are introduced as well as some effective quality control measures to ensure engineering quality.

介绍了常用材料的检验项目、频率和主要质量控制项目，通过预防，采取常用材料现场控制措施，有效地控制材料的质量，从而确保了工程质量。

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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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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.

FORBES: Will Mobile Business Apps Worsen Your Information Overload?

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