*Vertices 5
1 "石油大学学报" 0.0 0.0 0.0 x_fact 3.346720 y_fact 8.500669
2 "西安石油学院学报" 0.0 0.0 0.0 x_fact 3.078983 y_fact 4.016064
3 "石油学报" 0.0 0.0 0.0 x_fact 5.622490 y_fact 17.402945
4 "石油勘探与开发" 0.0 0.0 0.0 x_fact 7.295850 y_fact 61.914324
5 "油田化学" 0.0 0.0 0.0 x_fact 1.137885 y_fact 8.165997
*Matrix 
0.000000 0.598288 0.348695 0.218232 0.235040 
0.598288 0.000000 0.724735 0.463745 0.438085 
0.348695 0.724735 0.000000 0.395211 0.000000 
0.218232 0.463745 0.395211 0.000000 0.000000 
0.235040 0.438085 0.000000 0.000000 0.000000