Steady water surface profile of gradually varied flow can be calculated using either a steady flow approach or an unsteady flow approach.

使用计算机计算明渠恒定渐变流水面曲线有两种分法：恒定流方法和非恒定流方法。

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The topping field of an earth-rock dam is divided into one-dimensional steady spatially varied flow field and two-dimensional Non-Darcy seepage flow field.

本文将土石堰过流场区分为一维恒定变量流场和二维恒定非达西渗流场；

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Applying the correction coefficient of heat load, the formula on supply and return water temperature in variable temperature control with varied flow is corrected.

应用热负荷修正系数，对变流量质调节供回水温度公式进行了修正。

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It creates a bus lane on the hard shoulder and uses sensors in the road to detect when mandatory speed limits should be varied to help traffic flow.

BBC: New system to cut traffic jams in Fife