对大连地区的降雨进行分析，确定了实施雨水集蓄利用的时间和降雨量，以此作为计算雨水利用量的基础数据。
The utilizing time and available rainfall of rainwater collection has been determined by analyzing of the rainfall in Dalian area, which provides the basic calculating data of rainwater utilization.
同时，对照其它几种集雨材料，对不同雨强、雨量及坡度下的起流历时、集流效率和材料性能进行了比较。
The design of mixing new additives with loess to promote the efficiency of rainwater catchments materials was put forward.
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