基于弹性系数法的湖南省有色金属资源供需安全研究
Research on the Safety Degree of Hunan Province Nonferrous Metals Resources Based on Elastic Coefficient Method
基于弹性系数法的湖南省有色金属资源供需安全研究 |
| 曾叶欣,张钦礼 |
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Research on the Safety Degree of Hunan Province Nonferrous Metals Resources Based on Elastic Coefficient Method |
| Yexin ZENG,Qinli ZHANG |
| 图3 湖南省2006~2020年有色金属资源供需安全度系数 |
| Fig.3 Supply and demand safety degree of nonferrous metals resources in Hunan Province from 2006 to 2020 |
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