*Vertices 6
1 "地学前缘" 0.0 0.0 0.0 x_fact 0.513113 y_fact 5.701254
2 "石油大学学报" 0.0 0.0 0.0 x_fact 3.363740 y_fact 7.753706
3 "石油与天然气地质" 0.0 0.0 0.0 x_fact 5.302166 y_fact 9.806157
4 "石油钻采工艺" 0.0 0.0 0.0 x_fact 2.451539 y_fact 5.416192
5 "石油学报" 0.0 0.0 0.0 x_fact 6.898518 y_fact 16.932725
6 "石油勘探与开发" 0.0 0.0 0.0 x_fact 7.867731 y_fact 54.389966
*Matrix 
0.000000 0.000000 0.210533 0.000000 0.000000 0.000000 
0.000000 0.000000 0.395834 0.509277 0.361164 0.218762 
0.210533 0.395834 0.000000 0.205801 0.477956 0.409448 
0.000000 0.509277 0.205801 0.000000 0.394778 0.291135 
0.000000 0.361164 0.477956 0.394778 0.000000 0.395440 
0.000000 0.218762 0.409448 0.291135 0.395440 0.000000