flood control engineering造句

• Practice of survey of flood control engineering in qujiang county
  曲江县城防洪工程测量实践
• Construction of flood control engineering and countermeasures for flood disaster mitigation in taihu basin
  太湖流域防洪工程建设及减灾对策
• Through comparison and analysis of the advanced valley management mode of foreign countries and our country , it sums up the quintessence of the advanced valley management mode of the foreign countries and the main problems existing in the management mode of flood control engineering system of our country
  本论文通过与国外流域先进管理模式进行对比和分析，归纳出国外流域先进管理模式的精髓和我国防洪工程体系管理模式所存在的主要问题，并提出适合我国的防洪体系科学管理模式。
• Though the flood control engineering system improved the flood control standard and reduce the frequency of flood inundation and enlarger the protected area , but at the same time , the risk of dike broken and dam failed were added . moreover , people found that human living environment become worsen increasingly and the river ecosystem was destroyed
  然而，在与洪水斗争的过程中，人们发现虽然通过大规模的水利工程建设，提高了江河的防洪标准，减少了洪水泛滥的几率，扩大了防洪保护的范围，但同时也增加堤防、大坝溃决等的风险，而且人类发现生存环境日益恶化，河流生态系统被破坏等诸多问题。
• This thesis concludes the flood control situation , engineering measures and the situation of optimal dispatch method . it studies flood control engineering system , which is composed of flood prevention reservoir , river course dyke and natural detention basin , and the relationship between various flood engineering measures according to the composition and characteristics of the flood control engineering of the middle - lower reaches of beijiang . it suggests the objective function based on the least flood loss and the optimal dispatch strategy structure of the middle - lower reaches of beijiang bound with the requirements of the flood gradual progress equation combined with hydrology and hydraulics
  本论文总结了我国防洪情势、防洪工程措施及其优化调度方法研究的现状；针对珠江流域北江中下游防洪体系的组成及其防洪工程的特性，研究由防洪水库、河道堤防和天然滞洪区共同组成的防洪工程体系中各防洪工程措施之间的关系；提出了以洪灾损失最小为目标函数、以水文学和水力学相结合的洪水演进方程等要求为约束条件的北江中下游防洪体系优化调度策略框架。