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

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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.

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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.

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