泥石流是由于短历时高强度的大雨激发而形成的。
Debris flow was triggered by the short duration and high intensity 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.
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.
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.
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.
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.
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。
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.
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.
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.
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.
春季多风干燥，历时短；
到全部完工共历时十一年，建造这样一座陵墓，十一年的时间是相当短的了。
It was something, which was completed in 11 years which was rather amazingly short for a monument of this kind.
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.
它有特定的文体特征：它是新闻和文学之间的边缘文体，篇幅短，时间跨度小，少历时性叙述；
This kind of novel has its unique literary features: it is an edge style between journalism and literature;
对强降雨、历时短、产流率大的降雨过程，林地对产流削减作用明显小于对弱降雨、历时长、产流率小的降雨过程。
Forest will reduce more runoff yield in strong and short term rainfall processes than in small and long ones.
对强降雨、历时短、产流率大的降雨过程，林地对产流削减作用明显小于对弱降雨、历时长、产流率小的降雨过程。
Forest will reduce more runoff yield in strong and short term rainfall processes than in small and long ones.
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