Water-rock debris flow is a main type of debris flow in Qinling mountain with a wide distribution, typical development and serious disaster.

水石流是秦岭山地泥石流主要类型之一。 分布广泛，发育典型，灾害严重。

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The movement characteristics of water-rock debris flow and its mechanics of movement starting in Qinling mountain have been analyzed through investigations on the spot.

笔者通过实地考察资料，对秦岭山地水石流的运动特性进行了研究，并对其起动的力学性能作了初步分析。

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