rainfall duration

Ordinary type cause damage rainfall consists of short duration storm rainfall, long duration heavy rainfall and two kinds of superposition.

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。

The factors which effect on the infiltration are analysis, including parameters in VG model, soil distribution, angle of slope, rainfall duration and the predicting model for the coefficient of permeability of unsaturated soil.

对现场土坡形态进行简化，以简化后的土坡作为计算模型，分析了VG模型参数、土层分布、坡比、降雨持续时间和非饱和渗透系数推定模型的选择对数值模拟结果的影响。

Ordinary type rainfall consists of short duration rainfall, long duration rainfall and two kinds of superposition.

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.

Cumulative runoff and rainfall duration in line with linear equation.

累计产流量与降雨历时符合线性方程。

He Guoqiang requests the basis duration of rainfall the change adjustment crops planter structure.

贺国强要求根据降雨时间的变化调整农作物种植结构.

The total of splash amount increased with the increase of rainfall duration, however, averaged splash production per square meter per minute decreased with the duration of raining time.

溅蚀总量随降雨历时的增加而增加，而溅蚀率则随降雨历时的增加而减小，其变化过程可用幂函数描述；

According to the rainfall situation record characteristic, the union modern rainstorm concept limits, the formulation suits this research the rainstorm determination standard, withdraws information and so on rainstorm occurrence and duration, place, disaster situation degree from the including rainfall situation material.

根据雨情记录特点，结合现代暴雨概念界定，制定适合本研究的暴雨判定标准，从收录的雨情资料中提取暴雨的发生和持续时间、地点、灾情程度等信息。