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。
Water-flow velocity of continuous measurement was determined by the ratio of count rate value of different source spacing detectors.
连续测量的水流速度是通过不同源距探测器计数率的比值来确定。
Initially set velocity, density of traffic flow, traffic volume of service and the rate of traffic load as the measurement indicators.
对航道服务水平进行定义，并初步确定速度、交通流密度、服务交通量和交通量负荷比等四项度量指标。
The measurement of volumetric flow rate will be errors when the parameters of the temperature and pressure change unceasingly.
流体的体积流量受温度、压力等参数的影响，在参数不断变化的情况下，会带来较大的测量误差。
The paper describes the mechanism of complex correction for the measurement of flow-rate of mixed gas and the implementing method of automatical correction.
本文叙述了混合煤气流量测量的综合订正机理，以及自动订正的实施方法。
According to the approximation of the velocity profile of turbulent flow in cylindrical pipes, flow rate measurement based upon the maximum velocity of circular cross-section is proposed.
根据已知圆管紊流流速分布的近似模地，研究了使用管道轴线处的最大流速测量流量的方法。
The average shear rate obtained with this method is a more reasonable measurement of the average shear history of fluid in turbulent pipe flow.
对于湍流，按本方法计算的平均剪切率能合理地度量流体的平均剪切历史。
The average shear rate obtained with this method is a more reasonable measurement of the average shear history of fluid in turbulent pipe flow.
对于湍流，按本方法计算的平均剪切率能合理地度量流体的平均剪切历史。
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