The lash and pollution of initial rain in river course has become one of the key problems in the control of river course pollution.

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。

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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.

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。

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That is what the experience from the cap-and-trade program for acid rain suggests: costs came in well below initial predictions.

从酸雨灾害下实施的配额交易得出的经验是，实际代价总不愈起初的预计。

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President Vladimir Putin's spokesman Dmitry Peskov told independent Russian TV channel Rain on Saturday that diplomats had taken initial steps towards bringing Kristopher back to Russia, but he conceded that the adoption had been lawful.

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