中国有色金属产业结构升级演进研究

刘贻玲,郑明贵

A Study on the Industrial Structure Upgrading Evolution of Non-ferrous Metal in China

Yiling LIU,Minggui ZHENG

图2 1986—2019年有色金属产业结构升级高度平均值

Fig.2 Average value of upgrading height of nonferrous metal industrial structure from 1986 to 2019