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进入本世纪80年代以来,长江流域的洪涝灾害频繁发生,使长江流域的经济社会发展受到很大的影响,资料表明,长江流域已经进入了包括洪涝灾害多发的新时期。1998年的大洪水使人们对长江流域洪涝灾害的治理有了清醒的认识,大水过后,各级政府十分重视长江的堤防建设,投入了大量的人力、物力,使长江的堤防建设进入了一个新的时期。随着三峡水利枢纽和一些控制性工程的陆续建成,在不久的将来长江流域因洪水造成的灾害就可以得到一定的缓解,但是,它并不表明因降雨而形成的灾害就不存在了,而是说长江流
Since the 1980s, frequent floods in the Yangtze River Basin have greatly affected the economic and social development of the Yangtze River Basin. The data show that the Yangtze River Basin has entered a new period that includes frequent flooding and flood disasters. The flood in 1998 brought people a clear understanding of the flood control in the Yangtze River Basin. After the flood, governments at all levels attached great importance to the construction of the embankment of the Yangtze River and put a lot of manpower and material resources into the dyke construction of the Yangtze River. New period With the completion of the Three Gorges Project and some control projects, the disaster caused by flood in the Yangtze River valley can be alleviated in the near future. However, it does not mean that the disaster caused by rainfall does not exist. Is that the Yangtze River