The study on gravity erosion has become one of difficulties in the domain of soil erosion because of its complexity and randomicity.

重力侵蚀因其机理的复杂性及较强的随机性而成为土壤侵蚀研究领域的难点之一。

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Landslide is the main failure form of earth slope under gravity erosion. In engineering practice, the circle sliced method is popularly used in slope stability assessment.

滑坡是土坡重力侵蚀破坏的主要形式，在目前的工程实践中，土坡稳定性分析最常用的方法是圆弧条分法。

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To establish a predicting model of slope erosion modulus and gully erosion modulus on the basis of special definition for the meanings of slope erosion, gully erosion and gully gravity erosion.

在特别界定小流域“坡面侵蚀”、“沟道侵蚀”和沟道“重力侵蚀”词语含义的基础上，建立起坡面侵蚀模数和沟道侵蚀模数的预报模型。

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