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。
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。
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。
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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