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.
该方法具有直观、预测准确、计算简便的优点，为区域降雨量的中短期预测提供了新的分析途径。
The method is intuitive, its prediction is accurate, and its calculation is simple, so it provides a new method of the middle or short term prediction for regional rainfall.
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