Large historical flood discharges can play an important role in hydrologicfrequencyanalysis.
历史洪水在洪水频率计算中起到了重要作用。
2
The main methods for calculating designed flood are probable maximum precipitation and hydrologicfrequencyanalysis.
设计洪水计算方法主要是可能最大降雨和水文频率法。
3
It is emphasized on the importance of comprehensive balance and rationality analysis of statistical parameters and design values in hydrologicfrequency computation.