英语翻译Transportation Costs and International Trade Over Time这是论文标题.该如何翻译成英文吖、

transportation transportation 英语翻译Federal hazardous materials transportation law (49 U.S.C.5101 et seq.) directs the Secretary of Transportation to establish regulations for the safe and secure transportation of hazardous materials in commerce,as the Secretary considers a 英语翻译in china,_____ _____ very popular _____ of transportation 什么是 transportation? transportation 汉译英 transportation是什么意思 transportation是什么意思 transportation是什么意思 transportation是什么意思 Transportation Privilege 英语翻译in china,by a bike is the most popular means of transportation ,其中means of transportation一定要是复数吗?为什么 英语翻译There has been some research on modeling and simulation of the railway transportation system 英语翻译The way lay out suburbia precludes an efficient public transportation system 英语翻译Transportation,delivery of equipment to Russia.Customs clearance of equipment in Russia 英语翻译the decline of public transportation accounts for increased car use in western Europe 英语翻译关键词汇spread around 传播,散播先解释一下repid transportation的意思, 英语翻译英语翻译,英译汉This acceleration is frequently dramatized by a brief account of the progress in transportation.