*Vertices 6
1 "燃料化学学报" 0.0 0.0 0.0 x_fact 4.381625 y_fact 27.420495
2 "催化学报" 0.0 0.0 0.0 x_fact 6.007067 y_fact 28.975265
3 "石油学报石油加工" 0.0 0.0 0.0 x_fact 3.462898 y_fact 6.784452
4 "炼油技术与工程" 0.0 0.0 0.0 x_fact 2.685512 y_fact 5.512367
5 "石油化工" 0.0 0.0 0.0 x_fact 8.127208 y_fact 16.395760
6 "石油炼制与化工" 0.0 0.0 0.0 x_fact 6.643110 y_fact 14.911661
*Matrix 
0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 
0.000000 0.000000 0.359601 0.000000 0.417792 0.000000 
0.000000 0.359601 0.000000 0.278079 0.432032 0.465019 
0.000000 0.000000 0.278079 0.000000 0.345622 0.729112 
0.000000 0.417792 0.432032 0.345622 0.000000 0.470763 
0.000000 0.000000 0.465019 0.729112 0.470763 0.000000