*Vertices 12
1 "科学通报" 0.0 0.0 0.0 x_fact 3.729172 y_fact 7.960857
2 "中国科学D" 0.0 0.0 0.0 x_fact 5.448294 y_fact 8.410473
3 "地质论评" 0.0 0.0 0.0 x_fact 6.942608 y_fact 9.534515
4 "地质学报" 0.0 0.0 0.0 x_fact 8.793970 y_fact 12.232214
5 "地球化学" 0.0 0.0 0.0 x_fact 2.446443 y_fact 5.845015
6 "沉积学报" 0.0 0.0 0.0 x_fact 3.927532 y_fact 6.532663
7 "石油实验地质" 0.0 0.0 0.0 x_fact 2.472891 y_fact 6.254959
8 "地球科学" 0.0 0.0 0.0 x_fact 4.112669 y_fact 6.281407
9 "地学前缘" 0.0 0.0 0.0 x_fact 5.527638 y_fact 7.114520
10 "石油与天然气地质" 0.0 0.0 0.0 x_fact 5.091246 y_fact 12.642158
11 "石油学报" 0.0 0.0 0.0 x_fact 1.970378 y_fact 4.628405
12 "石油勘探与开发" 0.0 0.0 0.0 x_fact 3.967204 y_fact 12.562814
*Matrix 
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