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本文通过室内实验与数值分析探讨了坡面降雨漫流过程中有效糙率的影响，并提出通过优选确定其量值的途径，为野外定量地模拟和预测这一参数打下了基础．
In this paper, the effect of effective roughness on the process of rainfall overgrowth is discussed through laboratory experiments and numerical analysis, and the way to determine its value is proposed to lay a foundation for quantitatively simulating and predicting this parameter in the field.