This paper researches the actuality and index, and establishes initial index system.

文中研究了现有的指标，通过归纳总结建立初始指标体系。

youdao

This paper researches the actuality and index, and establishes initial index system.

文中研究了现有的指标，通过归纳总结建立初始指标体系。

youdao