*Vertices 6
1 "石油钻采工艺" 0.0 0.0 0.0 x_fact 5.730337 y_fact 13.820225
2 "石油机械" 0.0 0.0 0.0 x_fact 4.606742 y_fact 18.764045
3 "油气田地面工程" 0.0 0.0 0.0 x_fact 0.112360 y_fact 0.674157
4 "石油钻探技术" 0.0 0.0 0.0 x_fact 5.168539 y_fact 20.786517
5 "石油学报" 0.0 0.0 0.0 x_fact 3.483146 y_fact 26.067416
6 "石油矿场机械" 0.0 0.0 0.0 x_fact 14.044944 y_fact 19.887640
*Matrix 
0.000000 0.253121 0.000000 0.413526 0.227509 0.294644 
0.253121 0.000000 0.000000 0.000000 0.000000 0.925497 
0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 
0.413526 0.000000 0.000000 0.000000 0.000000 0.000000 
0.227509 0.000000 0.000000 0.000000 0.000000 0.000000 
0.294644 0.925497 0.000000 0.000000 0.000000 0.000000