Analysis of the centrality and symmetry of the network structure of China's three urban agglomerations using Baidu population migration
YUE Hanqiu, QI Jianwei, CHEN Yanhui, CHEN Liang, CHEN Huaixin
Bulletin of Surveying and Mapping . 2022, (8): 110 -116 .  DOI: 10.13474/j.cnki.11-2246.2022.0241