...键词：频率测量；信号源；高频测量；CPLD [gap=703]Keywords：frequency measurement;signal source;high frequency measurement;CPLD ...
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根据这些风、温高频测量值，用几种不同的计算方法计算了湍流能量和动量、热量通量。
Three sorts of different methods for calculating the turbulent energy and the turbulent fluxes of heat and momentum are introduced.
这些测试测量了对低、中、高频率噪声的听觉范围。
The tests measured range of hearing over low, mid and high noise frequencies.
对于高频或低幅值测量﹐探头的地应接到测试电路中的适当位置。
For high frequency, or low amplitude measurement, probe ground shall be connected to appropriate points in the circuit under test.
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