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.
短历时设计暴雨是中小型水利工程设计的重要数据的依据。
The design storm rainfall with short duration is an important data basis of small and middle water project design.
暴雨的历时、面积和深度的关系(时、面、深)是水文气象学的重要研究课题之一。
The relationship among the duration the area and the depth of the hard rain is a important research subject in hydrometeorology.
城市设计暴雨，具有历时短、设计标准较低的特点，与常用的频率计算方法不尽相同。
For urban design storm, there are some features which are shorter duration and lower design level.
暴雨在短历时内产生较强的降雨，而且暴雨的间隔时间尺度越短平均雨强就越大。
Storm brings strong rainfall intensity in short duration, moreover, the shorter duration the average rainfall intensity is stronger.
一般成灾雨型分为短历时暴雨，长历时大雨及两种迭加雨型。
Ordinary type cause damage rainfall consists of short duration storm rainfall, long duration heavy rainfall and two kinds of superposition.
在自然条件下，降雨集中、强度大、历时短、暴雨中心靠近流域出口，洪峰流量就会比较大，反之则小，但在人类活动影响下则不一定产生这样的结果。
Runoff yield and flood peak are larger when the rain center is near the outlet of watershed under the natural environment, but it is not necessarily under the human activities environment.
通过对试验数据的回归分析，建立了林灌地和封禁草灌地在短历时暴雨条件下的土壤水分入渗经验模型。
By the regression analysis of date observed from this experiment, a model of infiltration for forest-shrub land and grass-shrub land was constructed.
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。
The statistical characteristics of exponential distribution of urban short-duration rainstorm are studied when the rainstorm series are chosen by annual multi-sampling method.
但是，城市排水短历时设计暴雨、选样方法采用的是年多个样值。
Storm sampling method is often annual multisampling method in urban drainage engineering.
但是，城市排水短历时设计暴雨、选样方法采用的是年多个样值。
Storm sampling method is often annual multisampling method in urban drainage engineering.
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