recharge from rainfall infiltration 降雨通过土壤入渗补充地下水的现象。
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。
Based on the physical process of soil water transfer, a calculated model estimating the precipitation recharge is proposed.
本文从降雨入渗滞后补给的宏观机理出发，提出了一种简单而又可靠的数学方法来建立滞后补给量随时间变化的函数表达式。
Based on delayed recharge macroscopic mechanism of rainfall infiltrating, this paper proposes a simple and reliable mathematical method to build up the relation of delayed recharge rate with time.
它对分析降雨（灌溉）入渗对地下水的补给过程和定量分析地下水入渗补给量、入渗补给系数具有重要价值。
The results will help the analyzing process of rainfall(irrigation)recharging groundwater, and also contribute to analyzing groundwater recharge and coefficients of recharge in a quantitative way.
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