Resources Science, Volume. 42, Issue 5, 946(2020)
Fig. 2. Gravity index (a), betweenness index (b), closeness index (c) and redundancy index (d) of subway stations
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Xiaomei JI, Yiqing XIONG, Ziang ZHANG.
Received: Aug. 19, 2019
Accepted: --
Published Online: Apr. 15, 2021
The Author Email: ZHANG Ziang (zhangziangdid@163.com)