径流系数 meaning in English
coefficient of run off
drainage radio
drainage ratio
factor of runoff
flow coefficient
runoff coefficient
Examples
- Nearly all civil engineering structures, roofs, roads, and any concrete work have a run-off coefficient of about 95 per cent .
几乎所有的土木工程构筑物，屋顶、道路和所有的混凝土工程，其径流系数均为95左右。 - Area runoff coefficient
区域径流系数 - Meanwhile , an artificial imitation rainfall system was developed in order to study the characteristics of city underlying surface and make experimental check up about the relative appraising index , on which 200 rainfall experiments are made , analyzing the effect of rainfall intensity to the runoff of underlying surface ; the relationship between runoff permeability and unit factor of rainfall intensity and duration ; the effect of rainfall intensity , duration , soil moisture content , and temperature to the runoff permeability ; the relationship between rainfall quantity and runoff permeability , and make mathematical imitation to the expe rimental results , to find the mutual - relationships , and make discussion about the differences between equations of fit
同时，为研究城市下垫面的产汇流特性研制了一套人工模拟降雨系统，并对相关评价指标进行了实测校验。在此基础上，进行了200多场降雨实验，分析了雨强、历时、土壤前期含水量、温度、降雨量、不同下垫面和不同覆盖度等对产汇流的影响，及各种因素对径流系数的影响和相关性，建立了一定条件下历时径流系数，雨强径流系数，流量径流系数的函数模型。 - By the test of the imitated rain , the article researches some rainfall runoff features of the plain area which the slope is less than 3 , the changing regulation of runoff coefficient under the steady rainfall condition , puts forward the calculation principle of the rainfall runoff this area by using the maximum runoff coefficient method and makes a calculation of the runoff for the process of rainstorm under the unsteady or natural condition
利用仿雨试验，研究地面坡度小于3的平原区降雨产流的特征，稳定降雨条件下径流系数的变化规律，提出了“最大径流系数法”对平原降雨产流的计算原理，对非稳定及天然条件下的暴雨过程进行了径流计算。 - According to the concept of available water supply , the calculation methods about available water supply of the large scale reservoir are studied and the concrete procedures of the long - series regulation method are proposed . through the calculation of the monthly natural runoff every year , water incomes under present engineering status , and the long - series dynamic water usage regulation of the 32 large scale reservoirs in shandong province , available water supply under assurance rates of 50 % , 75 % and 95 % are obtained . according to the analysis of runoff characteristics of each reservoir ( multi - year mean runoff depth and runoff coefficient ) , the relationship between water supply incomes under different assurance rates for current year and the year of 2010 , the reservoirs with water supply potence are given
根据对可供水量概念的理解，本文对大型水库可供水量的计算方法进行了探讨，提出了采用长系列调节计算的具体方法；通过对山东省32座大型水库的历年逐月天然径流量、现状工程情况下来水量、长系列变动用水的调节计算等多个步骤，得出了各水库50 、 75 、 95三种保证率的可供水量计算成果，并对每个水库的径流特性(多年平均径流深及径流系数) 、全省大型水库现状年及2010年的不同保证率的可供水量与来水量的关系进行了分析与研究；分析提出了具有供水潜力的水库。