1·Based on the flood level frequency curve, hydrological failure risk was divided into flood overflowing risk and flood overtopping risk.
基于推求的洪水位频率曲线,将堤防水文失事风险分为洪水漫溢风险和洪水漫顶风险。
2·The text introduces the calculation of overfalling quantity should be based on broad crested weir or short canal when renovating overtopping flooding.