The statistical characteristics of exponential distribution of urban short-duration rainstorm are studied when the rainstorm series are chosen by annual multi-sampling method.
讨论了采用年多个样法选样时，城市短历时暴雨的指数分布的统计特征。
Debris flow was triggered by the short duration and high intensity rainstorm.
泥石流是由于短历时高强度的大雨激发而形成的。
The duration of the rainstorm was shorter with greater intensity. But there were some forecast difficulties because of the weak influence system before the rainstorm.
此次暴雨历时短、强度大，但发生前影响系统较弱，有一定的预报难度。
The duration of the rainstorm was shorter with greater intensity. But there were some forecast difficulties because of the weak influence system before the rainstorm.
此次暴雨历时短、强度大，但发生前影响系统较弱，有一定的预报难度。
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