初期雨水对河道的冲击污染已成为解决河道污染的主要难题之一。
The lash and pollution of initial rain in river course has become one of the key problems in the control of river course pollution.
在合流制排水系统中，排水泵站中设置调蓄池是解决城市初期雨水对水体污染的有效措施。
In order to solve the problem of pollution in confluence drainage system, which is caused by initial rainwater, setting storage pond under the drainage pumping station is a effective measure.
并且各污染物浓度均随降雨历时呈减少趋势，后趋于平缓，可采用弃流部分初期雨水后进行收集。
There was a decreasing trend in each pollutant concentration with rainfall duration and finally tends to flat. So we collect the rainwater after abandoning part of the initial flow of rainwater.
路面雨水径流污染最严重，尤其是初期雨水各污染物浓度明显高于屋面和绿地径流中的污染物浓度；
The road runoff is most seriously polluted , especially in the early rainfall the pollutant concentration was significantly higher than concentration in roof runoff and lawn runoff.
一般建在地势较低的区域，通过天然土壤或更换人工土和种植植物绿化、消纳小面积汇流的初期雨水。
Rain Court usually built in low-lying areas, through the replacement of natural soil or artificial soil and planting green plants, small area elimination on the convergence of the initial rain.
城市雨水径流特别是初期雨水污染严重，是水体富营养化、华以及海域赤潮等环境问题产生的根源之一。
Urban runoff pollution is serious especially for earlier runoff and it is one of the reasons that lead to water body eutrophic algal bloom and red tide on sea.
城市雨水径流特别是初期雨水污染严重，是水体富营养化、华以及海域赤潮等环境问题产生的根源之一。
Urban runoff pollution is serious especially for earlier runoff and it is one of the reasons that lead to water body eutrophic, algal bloom and red tide on sea.
最初期的殖民者发现美洲林木丰茂，土地肥沃，雨水充足。
The earliest colonists found abundant forests and suitable soil with adequate rainfall.
最初期的殖民者发现美洲林木丰茂，土地肥沃，雨水充足。
The earliest colonists found abundant forests and suitable soil with adequate rainfall .
但是雨水径流有明显的初期冲刷作用，污染物集中在初期的数毫米雨量中。
But the rainfall and runoff has obvious effect of flushing at the initial stage and most of pollutants just concentrate in the first few millimeters of rainfall.
但是雨水径流有明显的初期冲刷作用，污染物集中在初期的数毫米雨量中。
But the rainfall and runoff has obvious effect of flushing at the initial stage and most of pollutants just concentrate in the first few millimeters of rainfall.
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