1) Abnormal flood in 1996
异常洪水
2) extremely catastrophic flood
异常特大洪水
3) prehistoric extreme flood events
史前异常洪水事件
4) medium flood
中常洪水
1.
Regulation indexes of the medium flood in the Lower Yellow River;
黄河下游中常洪水调控指标
5) flood above average
超常洪水
1.
The paper explains the 98exceptional large flood situation in Nenjiang and Songhuajiang rivers, analyses the cause of exceptional large flood, The forecast of flood above average is explained from hydrology\,astronomy and meteorological phenomena, explains some ways of looking of forecast study of exceptional large flood.
从水文、天文、气象学等几个方面阐明超常洪水可以预测 ,并着重论述如何加强灾害性特大洪水预测研究的一些方法。
6) frequent flood
常遇洪水
补充资料：河道洪水演进(见河道洪水演算法)
河道洪水演进(见河道洪水演算法)
neaao non郎hUi河道洪水演进yanJ县n 见河道洪水演算法。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条