降雨历时 meaning in English
duration of rainfall
rainfall duration
Examples
- The result indicated that with the delay of rainfall the slope safety lowered accordingly and the unstable sliding plane was the shallow slide
研究表明，随降雨历时的增加边坡的安全系数逐渐变小，边坡最危险滑动面有向浅层发展的趋势。 - With the same slope gradient and slope length , the soil erosion on the dyke slope caused by the runoff mainly depended on the factors such as the runoff , flow velocity , rainfall intensity , rainfall duration , as well as the up - slope drainage area of dyke slope
坡度、坡长一定时，径流对戗坡的侵蚀主要与径流量、流速、雨强、降雨历时，戗坡以上汇聚水量或集水面积有关。 - On the basis of analysis for recharge , flow - off and drainage of research area , the paper concludes that the main possible cause for the fall of water head is groundwater exploitation by comparing the curve of rainfall - time and the curve of observation heads of some observation well
在充分分析研究区补给、径流和排泄规律的基础上，文章通过比较降雨历时曲线、部分观测孔观测水头曲线得出开采量可能是影响水头下降的主要因素。 - 3 . the study on the parameters that affect the seepage field of unsaturated slopes based on the existent program of 3 - d saturated - unsaturated seepage , mainly including ( 1 ) the combination of different rainfall intensity , duration , and type ; ( 2 ) the essence of medium , e . g
利用已有的三维饱和-非饱和渗流程序对在降雨条件下影响非饱和边坡渗流场的参数进行研究，主要包括： （ 1 ）不同降雨强度、降雨历时、雨型等降雨类型组合； （ 2 - By monitoring the quality of the roof rainwater gathered in shanghai and analyzing the main influential factors as well as the pollution level , it is found that roof material , rainfall duration , rainfall intensity and volume are important influential factors affecting the quality of runoff from roofs
摘要通过对上海市屋面雨水水质监测，及对其污染主要影响因素与污染程度的分析表明，屋面材料、降雨历时、降雨强度及降雨量等是屋面径流雨水水质的重要影响因素。