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淡水资源是人类社会前进和发展所必需的基本要素。然而,由于人口增加和经济社会的高速发展,世界上对淡水资源的需要正以惊人的速度
Freshwater resources are the basic elements necessary for the advancement and development of human society. However, due to the increase in population and the rapid economic and social development, the world’s need for freshwater resources is at an alarming rate.