average velocity meaning in English

平均变率
平均流速
平均速度

average velocity is a vector quantity, in the same direction as the vector △s.
平均速度是矢量，它与矢量s的方向相同。
Application of sonic logging in average velocity field
声波测井资料在平均速度场中的应用
Average velocity in cross section of shaft kiln
立窑断面平均风速
Standard test method for average velocity in a duct pitot tube method
导管中平均速度的标准试验方法
Distribution of time average velocity in wave - current combined flow
波浪和水流共同作用下水流时均流速分布

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