冬天的突然降临让铁路和航空运输系统陷入混乱。 。

The sudden onset of winter caused havoc with rail and air transport.

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论文界定了铁路集装箱运输系统，根据系统工程理论，对该系统的组成和各组成部分间的复杂关系进行了研究。

According to the theory of systems engineering, this paper study on the components of railway container transportation system and the complex relation of these components.

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作为走出欧洲的第一步，欧洲铁路公司将在美国的铁路运输系统- - - - - -美国国铁中提供服务。包括通票和点对点。

As a first step outside Europe, Rail Europe will be distributing for Amtrak, the US train system, with both passes and point-to-point travel.

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