An empirical formula of depth-averaged velocity is derived by means of dimensional analysis, and at the same time the characteristics of the variation of bottom current velocity are described.

文中还利用量纲分析，导出了挖槽中心垂线平均流速折减系数的经验公式。

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An empirical formula of depth-averaged velocity is derived by means of dimensional analysis, and at the same time the characteristics of the variation of bottom current velocity are described.

文中还利用量纲分析，导出了挖槽中心垂线平均流速折减系数的经验公式。

youdao