It is the precondition for the rill flow hydraulic calculation to confirm the rill flow pattern.
细沟流流态的确定是进行细沟流水力计算时的先决条件。
The hydrodynamic characters of runoff in the process of rill erosion were studied by using runoff scouring experiment under the different slope gradients and the different flow discharges.
通过不同坡度、不同流量的组合放水冲刷试验，对坡面细沟侵蚀发生过程中的坡面流水动力学特性进行了研究。
It is a very important point of the appearance of flow drop pit during the process of rill erosion.
细沟侵蚀过程中水流跌坑的出现是极其重要的一环。
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