By using the antecedent precipitation on that day and 3-day antecedent precipitation, the formula of the critical precipitation can be obtained.

最后利用发生坡面泥石流前3日累计降雨量和当日前期降雨量，得出了该区域降水诱发坡面泥石流的临界雨量方程。

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By using the antecedent precipitation on that day and 3-day antecedent precipitation, the formula of the critical precipitation can be obtained.

最后利用发生坡面泥石流前3日累计降雨量和当日前期降雨量，得出了该区域降水诱发坡面泥石流的临界雨量方程。

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