模型中水动力方程和泥沙扩散方程均采用幂函数方案的有限体积法离散。
In the model, the finite volume method discrete of power function is adopted for the hydrodynamic and silt diffusion equations.
通用土壤流失方程(usle)是水动力土壤侵蚀研究领域应用广泛的经验模型。
Universal soil Loss Equation (USLE) is an empirical model widely used in the domain of soil erosion by water.
根据特殊的地质和水动力学特征，对常规物质平衡方程进行了改进。
Based on the special geologic and hydrodynamic features, the conventional material balance equation is modified.
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