1995年，中国气象灾害十分频繁，尤其是部分地区的旱涝灾害相当严重，给工农业生产和人民生命财产造成了巨大损失。
In 1995, meteorological disasters in China occurred frequently, especially the serious drought and flood in some parts of China which caused great losses of life and property.
引用翔实的资料，分析概括了目前中国水环境面临的主要问题是水体污染、水资源短缺和旱涝灾害。
In this paper, recent water environmental problems in China, water pollution, short of water resources and drought and flood, are analyzed and generalized by quoting detailed data.
为了使区域洪涝研究更为具体和可比，本文在分析区域洪涝指标的基础上．提出了流域性洪涝的概念，并以《中国近五百年旱涝分布图集》为基础，建立了淮河流域500年流域性洪涝指标序列及其等级。
It is for the practice and comparison of regional flood research that the idea of Basin-Wide Flood(BWF)is further proposed. Moreover, the index and grades of BWF for last 500-year period in Hua…
为了使区域洪涝研究更为具体和可比，本文在分析区域洪涝指标的基础上．提出了流域性洪涝的概念，并以《中国近五百年旱涝分布图集》为基础，建立了淮河流域500年流域性洪涝指标序列及其等级。
It is for the practice and comparison of regional flood research that the idea of Basin-Wide Flood(BWF)is further proposed. Moreover, the index and grades of BWF for last 500-year period in Hua…
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