在明永，泛滥的河水冲走了土地的表层土壤，而且还直接导致了山洪和泥石流的频发。
In Mingyong, surging meltwater has carried away topsoil; elsewhere, excess runoff has been blamed for more frequent flooding and landslides.
泥石流堆积泛滥范围预测数学模型的建立，在减轻泥石流灾害中可以发挥十分重要的作用。
The establishment of the model for prediction of risk areas of debris flow inundation will play an important role inthe reduction of debris flow disaster.
泥石流危险范围的模型实验预测旨在确定一次泥石流可能堆积泛滥的最大范围。
The model experiment forecast on the risk range of debris flow is to determine the possible maximun range of a debris flow accumulation.
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