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认识和掌握一个河流或流域的洪水发生的规律及特性．对流域的开发治理、国民经济的发展建设和汛期的防洪，都起着重要作用．自建国以来，1957、1964、1965、1991年穆棱河流域相继发生了几次较大的洪水，造成了水灾．因此，了解和掌握穆棱河洪水特性和规律后，便可做出相应的防汛对策方案，如全保式、半保式和废弃式有重大意义．
Understand and master the laws and characteristics of floods in a river or river basin. It plays an important role in the development and management of the river basin, in the development and construction of the national economy and flood control in flood season. Since the founding of the People’s Republic of China, several major floods successively occurred in the Muling River basin in 1957, 1964, 1965, and 1991, causing floods. Therefore, understanding and mastering the characteristics and laws of the Muling River flood, we can make corresponding flood control solutions, such as all-insured, semi-insured and abandoned have great significance.