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随着计算机图形技术的发展，美国、德国、日本第一些发达国案非常重视运用直观的圆形和基于计算机支持的施工组织管理系统指导重要工程及重要施工阶段的施工。大江江流是三峡工程网络计划中共＊经自上的直至控泊点，长江霎对大江＊沈设计做了大量有价任的模型试验工作，达尼确
With the development of computer graphics technology, the first developed countries in the United States, Germany and Japan attach great importance to directing the construction of key projects and important construction stages by using intuitive circular and computer-based construction organization management systems. The Great Yangtze River flows through the network of the Three Gorges Project and its control point. The Yangtze River has done a great deal of valuable experimental work on the design of a large river.