中国居民工作日与节假日的城际出行网络异同性研究
李涛, 王姣娥, 高兴川

Comparison of inter-city travel network during weekdays and holiday in China
LI Tao, WANG Jiao'e, GAO Xingchuan
图3 基于组内—组间重要性参数比较方法的城市角色甄别图示
Fig. 3 Diagram of city role screening based on the method of intra-inter group importance parameter