可疑区域的静态纹理和动态纹理特征都累计为直方图形式，从而加强了特征的统计意义。

The static texture features and dynamic texture features of suspicious regions are represented with histograms, so as to improve the statistic sense of the features.

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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。

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

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