*Vertices 3
1 "催化学报" 0.0 0.0 0.0 x_fact 2.752294 y_fact 55.275229
2 "石油学报石油加工" 0.0 0.0 0.0 x_fact 11.009174 y_fact 23.623853
3 "石油炼制与化工" 0.0 0.0 0.0 x_fact 3.899083 y_fact 21.100917
*Matrix 
0.000000 0.327605 0.000000 
0.327605 0.000000 0.604728 
0.000000 0.604728 0.000000