在过去的二十年的大多数时候，人们一直把海运的主要价格指标波罗的海干散货指数作为国际贸易状况的晴雨表，它被用以衡量运输煤炭、铁矿石和谷物的大型船只的包租费用。
FOR most of the past two decades the main measure of shipping costs has been used as a guide to what is happening to world trade.
去年穿越马六甲海峡的7万4千艘船只承载了全球三分之一的海运货物，其中大部分船只都经常通过南中国海。
Of the 74,000 vessels, carrying one-third of global seaborne trade, that passed through the Strait of Malacca last year, most also plied the South China sea.
通过分析海铁联运运量的影响因素，提出基于集装箱货值的改进生成系数法来预测海运进出口集装箱内地生成量；
On the basis of analysis of the factors effecting rail-sea intermodal transportation volumes, this article presents the improved production coefficient method calculated by value instead of by weight.
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