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随着人口剧增和经济高速发展,水的供求矛盾已成为制约我国工农业生产和城市发展的瓶颈。有专家指出, 2010年后,我国将进入严重缺水时期。2030年,我国将缺水400亿立方米至500亿立方米,缺水高峰将会出现。随着城市和工业的发展,水源危机和雨洪危害日益严重。雨水作为重要水资源加以收集利用,实行综合治理已经成为重要的新兴课题。
With the rapid population growth and rapid economic development, the contradiction between supply and demand of water has become the bottleneck that restricts the industrial and agricultural production and urban development in our country. Some experts pointed out that after 2010, China will enter a period of severe water shortage. In 2030, there will be a water shortage of 40 billion cubic meters to 50 billion cubic meters in our country. The peak of water shortage will occur. With the development of cities and industries, the crisis of water sources and flood damage have become increasingly serious. Rainwater is collected and utilized as an important water resource, and implementing comprehensive management has become an important new issue.