*Vertices 3
1 "石油化工设备" 0.0 0.0 0.0 x_fact 5.621302 y_fact 13.017751
2 "压力容器" 0.0 0.0 0.0 x_fact 1.775148 y_fact 16.863905
3 "化工学报" 0.0 0.0 0.0 x_fact 0.295858 y_fact 70.118343
*Matrix 
0.000000 0.486488 0.284811 
0.486488 0.000000 0.000000 
0.284811 0.000000 0.000000