*Vertices 7
1 "炼油技术与工程" 0.0 0.0 0.0 x_fact 3.487064 y_fact 7.986502
2 "石油化工" 0.0 0.0 0.0 x_fact 6.074241 y_fact 19.235096
3 "石油炼制与化工" 0.0 0.0 0.0 x_fact 6.411699 y_fact 19.572553
4 "石油化工高等学校学报" 0.0 0.0 0.0 x_fact 6.861642 y_fact 11.248594
5 "辽宁石油化工大学学报" 0.0 0.0 0.0 x_fact 10.911136 y_fact 15.860517
6 "冶金分析" 0.0 0.0 0.0 x_fact 0.449944 y_fact 10.686164
7 "计算机工程" 0.0 0.0 0.0 x_fact 0.000000 y_fact 15.410574
*Matrix 
0.000000 0.319103 0.727921 0.543406 0.455894 0.000000 0.000000 
0.319103 0.000000 0.454880 0.391027 0.335183 0.000000 0.000000 
0.727921 0.454880 0.000000 0.470238 0.451600 0.000000 0.000000 
0.543406 0.391027 0.470238 0.000000 0.764084 0.000000 0.000000 
0.455894 0.335183 0.451600 0.764084 0.000000 0.000000 0.000000 
0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 
0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000