洪水风险图综合自然、社会经济和洪水灾害等多种信息，在防洪减灾中可发挥重要参考作用。

And flood risk map contains comprehensive information such as area nature, socio-economy and flood calamity, so it can play an important reference role in flood prevention and reduction.

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中国东南沿海中小流域经济发达，洪水灾害频繁发生，防洪减灾研究十分重要。洪水风险图综合自然、社会经济和洪水灾害等多种信息，在防洪减灾中可发挥重要参考作用。

Because of the developed economy and frequently happening flood disasters in coastal medium and small basins in the southeastern China, it is very important to research flood prevention and reduction.

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