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船舶营运需要消耗大量的能源,而能源消耗不仅增加了企业的成本支出,而且会增加对环境的污染.船舶营运效率的提高会节约能源,大大降低成本和缓解环境污染,而船舶营运效率的提高涉及船舶能耗、航速、主机功率等诸多方面.分析劳氏从1970年至2005年三十多年间三种商用船型的统计数据,运用定量分析的方法来阐述船舶运输效率的发展趋势.
The operation of ships requires a lot of energy consumption, and energy consumption not only increases the cost of enterprises but also increases the pollution to the environment. The improvement of ship operation efficiency will save energy, greatly reduce costs and alleviate environmental pollution, while the improvement of ship operation efficiency Involving ship energy consumption, speed, main engine power and so on.It analyzes Lloyd’s statistic data of three commercial ship types from 1970 to 2005 for more than thirty years, and uses quantitative analysis method to expound the development trend of ship’s transportation efficiency.