洪水

A flood peak cut coefficient is proposed to measure the affection of the flood hydrograph for the risk calculating of the flood discharge.

本文分析了洪水过程这一不确定性因素，并用洪峰削减系数将洪水过程的不确定性量化。

In light of the approximation of Muskingum flood calculation model,an improving model on average flow within prescribed time in flood calculation is presented using curve integral instead of general arithmetic mean.

针对马斯京根洪水演算模型的近似性问题，用曲线积分法改进了原模型中时段流量的简单算术平均值法，并利用连续性空间优化问题的蚁群算法对改进的马斯京根洪水演算模型进行参数最优估计，使演算流量更加接近实际。

This paper emphasis intruduced back-propagation ANN model and its advanced. Based on the flood of Yangtze River at Luoshan and Hankou station, by using a self-adapt back-propagation algorithm, this paper established a BP nerve network model about riverway flood forecasting of Hankou considering the interzone inflow.

本论文着重介绍了BP神经网络模型的方法及其改进方法在河道洪水预报中的应用研究，将自适应BP模型引入，建立了考虑区间入流的河道洪水预报BP神经网络模型。

The study results indicate that the simulation results in Zhangjiashan and the area between Xianyang and Lintong are more reasonable. Layered Continuous Muskingum method is used to rout the flood in mainstream, and the runoff process at Huaxian station is composed of the results of Muskingum and the runoff simulated in interzone.

在渭河下游流域移用秦渡镇控制流域的模型参数来模拟区间的洪水过程；干流洪水演算采用马斯京根分层连续演算法，最后将区间模拟的径流过程和干流径流过程相叠加形成华县站的流量过程。

Flood inundated area is one of the most important information to real-time monitoring and quick evaluation of flood damage.

在洪水灾害监测、灾情评估中，洪水淹没范围是最重要的信息之一。提取水体的范围，但很难区分出原有水体和洪灾中淹没区范围。

The Bennu was also associated with the inundation of the Nile and of the creation.

Bennu也与尼罗河的洪水和创造的洪水有关。

Key techniques in flood hazard map ping are presented based on analyzing basic concept.

洪水风险图是实施洪水管理的重要手段和基础。

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。

Meanwhile,according to the results we draw the flood insurance loss probability curve,and concluded that it is similar to lognormal distribution.

同时，根据计算结果得到洪水保险损失概率曲线，认为洪水保险损失近似服从对数正态分布。

A nonparametric kernel estimation of the flood frequency with historic information is presented in this paper. The limitation in assuming a distribution type is overcome.

本文提出了在有历史洪水情况下洪水频率的非参数核估计方法，克服了现行方法假定分布型式的局限。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了