Usually, the modular theory is used to study the tangible physical products, we need to innovate it for the China rail restructuring.
由于现有模块化理论大多针对有形的实体产品，但服务产品具有无形性，要研究服务产品的模块化必须深入到其生产运作过程。
The three core questions to modular restructuring of China rail should be answered, that is why, can or not and how.
研究我国铁路运输业模块化重组必须回答三个核心问题：即我国铁路运输业为什么、能否、如何进行模块化重组。
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