中国城市知识合作网络结构演化的影响机制
戴靓, 曹湛, 马海涛, 纪宇凡

The influencing mechanisms of evolving structures of China's intercity knowledge collaboration networks
DAI Liang, CAO Zhan, MA Haitao, JI Yufan
图4 指数随机图模型的收敛性诊断图
Fig. 4 Convergence diagnostics plots for exponential random graph models