flood detention district meaning in English

滞洪区

So , in order to lower the disaster of flood , it is a good way to use the system of flood detention district , flood insurance , reestablishment etc . although there are some flood detention districts in some places in china , no perfect and operational flood hazard risk management decision support system is established now . we are searching some new thought of controlling and managing flood by risk management policy
通过本文的研究，主要在以下几个方面取得了进展： (一)以顺德防洪减灾工作作为背景素材，针对其旧有的信息系统，结合现代先进的防洪风险管理思想，融入作者对水利信息化建设的理解，从建立专业的地理信息系统空间数据库、属性数据库、查询系统的构建、专家预测系统建立等方面全面探讨。