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 |
|
Research on the Safety Degree of Hunan Province Nonferrous Metals Resources Based on Elastic Coefficient Method |
| Yexin ZENG,Qinli ZHANG |
| 图1 湖南省10种有色金属年产量与全国占比 |
| Fig.1 Annual output and national occupation ratio of ten nonferrous metals in Hunan Province |
|
|