*Vertices 13
1 "岩土力学" 0.0 0.0 0.0 x_fact 3.954802 y_fact 7.190550
2 "岩石力学与工程学报" 0.0 0.0 0.0 x_fact 6.111967 y_fact 55.264510
3 "中国安全科学学报" 0.0 0.0 0.0 x_fact 2.413970 y_fact 6.266050
4 "煤炭科学技术" 0.0 0.0 0.0 x_fact 1.643554 y_fact 3.133025
5 "辽宁工程技术大学学报" 0.0 0.0 0.0 x_fact 2.054443 y_fact 3.646636
6 "湘潭矿业学院学报" 0.0 0.0 0.0 x_fact 0.410889 y_fact 1.694915
7 "煤炭学报" 0.0 0.0 0.0 x_fact 6.009245 y_fact 8.474576
8 "安徽理工大学学报" 0.0 0.0 0.0 x_fact 0.719055 y_fact 1.129944
9 "机械设计与制造" 0.0 0.0 0.0 x_fact 0.462250 y_fact 1.284027
10 "机械设计" 0.0 0.0 0.0 x_fact 1.027221 y_fact 4.160247
11 "青岛建筑工程学院学报" 0.0 0.0 0.0 x_fact 0.102722 y_fact 0.410889
12 "重庆环境科学" 0.0 0.0 0.0 x_fact 0.410889 y_fact 2.516692
13 "安全与环境学报" 0.0 0.0 0.0 x_fact 0.308166 y_fact 4.827940
*Matrix 
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