·2,447,543篇论文数据，部分数据来源于NoteExpress
Before rain, both of the initial infiltration rate and steady infiltration rate are more than after rain, and it is easier to reach the steady infiltration.
降雨前土壤的初渗速率和稳渗速率均大于降雨后土壤的初渗速率和稳渗速率，降雨前土壤达到稳渗所需时间比降雨后长。
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