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基于4企业集中度(CR4)、8企业集中度(CR8)和赫尔芬达尔-赫希曼指数(HHI)等指标,对我国石墨电极产业集中度进行了专门测度和判断,并进行了相关讨论。
Based on such indicators as CR4, CR8 and Herfindahl-Hirschman index (HHI), we made a special measurement and judgment on the graphite electrode industry concentration in China and made a correlation discuss.