Large historical flood discharges can play an important role in hydrologic frequency analysis.
历史洪水在洪水频率计算中起到了重要作用。
The main methods for calculating designed flood are probable maximum precipitation and hydrologic frequency analysis.
设计洪水计算方法主要是可能最大降雨和水文频率法。
It is emphasized on the importance of comprehensive balance and rationality analysis of statistical parameters and design values in hydrologic frequency computation.
强调了水文频率计算中对统计参数和设计值进行综合平衡和合理性分析的重要性。
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