学科：地质调查 词目：流速面积法 英文：velocity of flow and cross section method 释文：流速面积法是一种量测流量的方法。由测定流速和过水断面面积两部分工作组成，据断面流速分布来求算流量。
根据不同流型讨论了等面积圆环法确定断面平均流速时所产生的误差。
The error caused by the ring method of equivalent area to measure the mean velocity of the circular pipe is studied by the different now pattern.
流速-面积法流量测验中，测深测速垂线的定位是流量测验的前提。
In discharge measurement by the velocity-area method, determining positions of velocity and depth-measuring verticals is a prerequisite condition to this measurement.
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