designed flood frequency 中文意思是什麼
designed flood frequency
解釋
設計洪水頻率-
By use of many years ' hydrologic data, the max, water quantity dated from every day may be counted in every year ' s flood season, and the designed water quantity corresponds to the definite frequency
滑動汛期水位在多年資料基礎上,通過統計汛期中每日為起點的最大來水量,求出固定頻率的設計來水量,選擇合適的典型洪水過程線進行調洪計算后得到每天的汛限水位。
分享友人