Based on the physical process of soil water transfer, a calculated model estimating the precipitation recharge is proposed.

基于土壤水运动的物理过程，提出了降雨入渗补给地下水的计算模型。

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The paper introduces seven factor of DRASTIC model: Depth of water table, Net recharge, Aquifer media, Soil media, Topography, Impact of Vadose Zone and Hydraulic Conductivity.

前言：介绍了DR AST IC模型的七个评价因子：地下水埋深、含水层净补给量、含水层介质类型、土壤类型、地形坡度、包气带介质i的影响和含水层的导水系数。

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The problems of water infiltration into layered soil and groundwater recharge are simulated through laboratory experiments and numerical method.

本文通过室内实验和数值计算，对层状土中降雨补给浅层地下水问题进行模拟。

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