对设计径流量计算中降雨强度和汇流时间的耦合问题进行了分析，并提出了相关参数的建议。

Based on the analysis of the coupling of rain intensity and convergence time of drainage, proposed values of parameter is given.

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在雨水道设计中，新规范虽然提出了新的计算方法，但仍限于特定的坡度与降雨强度条件的计算。

In the course of designing catchment runway, the new calculating methods supported by the new standards were limited by the special slops and rainfall rates.

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