It is found that the moisture of soil varies greatly and the intensity of short duration rainfall triggering debris flow changes in different part of rainfall period.

发现雨季不同时期土体含水量差异较大，而且在不同时期激发泥石流的短历时雨强也不同。

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When the operating time is constant, the plastic film cover of precipitation is decided by the rainfall duration and daily evaporation.

当操作时间一定时，塑苫的降水量由降水持续时间和日蒸发量决定。

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The investigation on the relationship between the stability of unsaturated soil slopes and rainfall mainly focuses on the effect of rainfall intensity, duration and rainfall amounts.

在降雨对非饱和土斜坡稳定性影响的研究中，对降雨强度、降雨持续时间和降雨量的研究比较成熟，而研究雨型对斜坡稳定性的影响比较少。

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