兰西城市群“双核分离”结构探讨:区域经济一体化背景下民营企业的投资网络 |
周恒, 杨永春 |
Dual-core separation structure of the Lanzhou-Xining urban agglomeration: Investment network of private enterprises under the background of regional economic integration |
ZHOU Heng, YANG Yongchun |
图4 企业年营业收入与投资数量的相关性拟合 |
Fig.4 Correlation between annual revenue and investment amount of enterprises in the Lanzhou-Xining urban agglomeration |
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