年降水量对年径流系数的影响极显著。
Annual precipitation had significant effects on the annual runoff coefficient.
径流系数较小的流域，其变化幅度反而大。
The smaller the runoff coefficient is, the larger the runoff vary.
汇流的雨水增加，径流系数增大，形成了地面的雨水径流。
The increase of rainwater runoff, runoff coefficient increases, the formation of the ground.
其径流系数与侵蚀模数与次降雨量、降雨强度有一定的相关性；
The runoff coefficient and the erosion modulus are related to the rainfall.
坡面工程措施和造林可减小径流系数，能有效地拦蓄地表径流。
Adopting engineering measure and planting tree can decrease ground runoff coefficient and hold back ground runoff effectively.
流域内地块景观功能值之间差异的大小对月际间径流系数的变化有影响。
Landscape features within the basin land the size of the difference between the value of inter-month changes affect runoff coefficient.
黑河山区流域径流系数远比干旱内流区的平均值大，但要小于全国的平均径流系数。
In the mountainous watershed of the Heihe River, the runoff coefficient is much larger than that of the whole arid area, but it is still less than the average value over the whole country.
用该方法对不同降雨条件下每种下垫面的径流系数进行了预测，并与传统方法进行了比较。
The runoff coefficient of every underlying surface was forecasted in different rainfall conditions by ANN models and compared with conventional method as well.
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。
Nearly all civil engineering structures, ro of s, roads, and any concrete work have a run - off coefficient of about 95 per cent.
景观功能均值相差不大的流域之间，景观功能值标准差较小的流域，月际间径流系数的变化更加平缓。
Landscape features of the basin mean little difference between the standard deviation of the value of landscape features smaller basins, inter-month changes in runoff coefficient is more gentle.
年径流系数的变化和年径流量的变化相似，1980年以前无趋势性变化，1980年后有减小的趋势。
Before 1980, no trend could be seen, but after 1980, the annual runoff coefficient tended to decrease.
目前，我国采用单一地表的平均径流系数计算雨水管渠的设计洪峰流量，这虽然使计算简化，但不尽合理。
The designed flood peak flow in storm sewer is usually calculated by adopting a constant average runoff coefficient at present in China, simple as it is, it's not reasonable enough.
对于森林流域和灌木流域，其多年平均径流系数主要受多年平均降水量、多年平均蒸散量和平均坡度共同影响；
For forest watershed and shrub watershed, the annual mean runoff coefficient was affected by mean annual precipitation, mean annual evapotranspiration and mean slope grade.
对于森林流域和灌木流域，其多年平均径流系数主要受多年平均降水量、多年平均蒸散量和平均坡度共同影响；
For forest watershed and shrub watershed, the annual mean runoff coefficient was affected by mean annual precipitation, mean annual evapotranspiration and mean slope grade.
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