本文的核心是基于对运输比价关系内涵的分析和对不同比价方法的比较，将效能价格比模型方法引入高速铁路比价关系的研究。

And then in the core part, the paper proposes efficiency price ratio model and analyzes the competitive advantage of high speed railway.

youdao

本文的核心是基于对运输比价关系内涵的分析和对不同比价方法的比较，将效能价格比模型方法引入高速铁路比价关系的研究。

And then in the core part, the paper proposes efficiency price ratio model and analyzes the competitive advantage of high speed railway.

youdao