*Vertices 4
1 "燃料化学学报" 0.0 0.0 0.0 x_fact 3.006682 y_fact 38.418708
2 "煤炭转化" 0.0 0.0 0.0 x_fact 5.011136 y_fact 19.376392
3 "化工学报" 0.0 0.0 0.0 x_fact 2.004454 y_fact 37.527840
4 "煤化工" 0.0 0.0 0.0 x_fact 2.895323 y_fact 4.677060
*Matrix 
0.000000 0.256393 0.000000 0.575420 
0.256393 0.000000 0.000000 0.647469 
0.000000 0.000000 0.000000 0.000000 
0.575420 0.647469 0.000000 0.000000