This method is based on the measurement of the rate of air flow through a given area of fabric by a given pressure difference across the fabric.

这个方法是基于对空气流速的测量：在一块既定面积的面料上，通过面料两边不同的压差来获得。

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Frozen type air drier shall conform to the special design of compressed air flow rate, pressure, temperature conditions needs.

冷冻式空气干燥器的设计应当符合特殊的压缩空气流量、压力、温度条件的需要。

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The influence of air Relative Humidity and mass flow on dust generation rate was determined.

通过实验主要测定空气湿度和质量流量对粉尘产生率的影响。

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To this end, Aerovironment is working on a system of miniature gyroscopes and air-flow detectors to measure Black Widow's speed and rate of turn.

ECONOMIST: A personal eye in the sky