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水资源是地壳表层的唯一的天然液体,它是生命的源泉,是人类生存不可缺少的决定性因素之一。水是生态环境系统中最活跃、影响最广泛的因素,又是工农业生产过程中不可取代的重要资源。保护好水环境,对人类生产、生活将起到极大的推动作用。如果人类赖以生存的水资源不能合理的利用和有效地保护,不仅国民经济建设与社会发展受到威胁,最终人们将会失去生存的条件。自古以来人们就极力重视水利事业,从最初的防洪、灌溉、水产养殖,到今日的水力发电、
Water is the only natural liquid on the surface of the earth’s crust. It is the source of life and is an indispensable determinant of human existence. Water is the most active and influential factor in the eco-environment system and an irreplaceable important resource in the process of industrial and agricultural production. Protect the water environment, human production and life will play a great role in promoting. If the water resources that mankind depends on can not be rationally used and effectively protected, not only the national economy and social development are threatened, but eventually people will lose their living conditions. Since ancient times, people have attached great importance to water conservancy, from the initial flood control, irrigation, aquaculture, to today’s hydroelectric power,