Flood disaster, water resource stress and severe water pollution is the three momentous issues in China.
洪涝灾害、水资源紧张和水污染严重是我国的三大水问题。
Small catchment are basic management units in the flash flood disaster control planning (FFDCP) in China.
在进行全国山洪灾害防治规划中，小流域是基本工作单元。
Flood in the Yangtze River is the most serious natural disaster, and in contrast there is great lack of water in North China.
长江水患是我国最大的自然灾害，华北缺水是我国最重要的资源环境问题。
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