The paper analyzes the advantages and disadvantages of traditional railway freight transiting into modern logistics and puts forward the countermeasures.

分析了传统铁路货运向现代物流业转型存在的有利条件和不利因素，提出了传统铁路货运转变为现代物流业的对策。

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The paper puts forward an improved method on the basis of gravity model to forecast the od freight volume of railway luggage and parcel transportation.

对铁路行包od运量的预测提出一种基于重力模型的改进方法。

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With the combination of the need of railway transport development, the development trend of freight car bogies in our country is put forward.

因此，开发研制出满足提速、重载要求的转向架是实现铁路提速和重载运输的前提。

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