船舶交通在人类生活中占据非常重要的位置，世界各国经济大规模发展，国内水运量和国际贸易的扩大导致水上交通量的增长和船舶的大型化、快速化。目前，经营长江航运的企业已达３８００余家，航行于长江水域的内河船舶已达１０万艘。然而，水运繁荣的背后却是频频发生的交通事 Ship traffic occupies a very important position in human life. Large-scale economic development in all countries in the world and the expansion of domestic water transport and international trade have led to an increase in water traffic and an increase in the size and speed of ships. At present, there are more than 3,800 enterprises operating the Yangtze River shipping and the number of inland vessels navigating the Yangtze River has reached 100,000. However, the prosperity behind the water transport is frequent traffic