最后，针对北京洪涝灾害的具体情况，提出了雨洪减灾和雨洪利用的措施，以达到兴利除害的目的。
In the end, the paper targeted the concrete situation of the flood and waterlogs disasters in Beijing and pointed out the measures on reduction…
水力学模型是平原区洪水演进、流域防洪调度、兴利除害、技术治水、科学管水合理利用的重要工具。
Hydrodynamic model is important tools of river flood routing and flood control, promote the beneficial and abolish the harmful, technically water control and scientific water manage.
科学合理规划采砂方案，顺应河床演变趋势，将整治河道与采砂疏浚河道有机地结合起来，可除害兴利，在一定时期内和一定程度上改善航道条件。
Planning sand extraction scheme in accordance with potential channel change and combining channel modification with sand extraction can improve navigation condition to a certain extent.
科学合理规划采砂方案，顺应河床演变趋势，将整治河道与采砂疏浚河道有机地结合起来，可除害兴利，在一定时期内和一定程度上改善航道条件。
Planning sand extraction scheme in accordance with potential channel change and combining channel modification with sand extraction can improve navigation condition to a certain extent.
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