Velocity distribution can be expressed by a logarithmic formula for the inner zone and a parabolic formula for outer and surface zones.

底部内区流速分布可用对数公式表示；外区和表面区可用二次抛物线公式表示。

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Velocity distribution can be expressed by a logarithmic formula for the inner zone and a parabolic formula for outer and surface zones.

底部内区流速分布可用对数公式表示；外区和表面区可用二次抛物线公式表示。

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