*Vertices 6
1 "石油机械" 0.0 0.0 0.0 x_fact 2.690583 y_fact 33.183857
2 "石油化工设备技术" 0.0 0.0 0.0 x_fact 6.950673 y_fact 10.089686
3 "石油化工设备" 0.0 0.0 0.0 x_fact 5.605381 y_fact 8.744395
4 "石油炼制与化工" 0.0 0.0 0.0 x_fact 0.448430 y_fact 17.264574
5 "流体机械" 0.0 0.0 0.0 x_fact 4.260090 y_fact 20.403587
6 "压力容器" 0.0 0.0 0.0 x_fact 2.466368 y_fact 10.313901
*Matrix 
0.000000 0.330828 0.000000 0.000000 0.000000 0.000000 
0.330828 0.000000 0.872413 0.216171 0.314620 0.585064 
0.000000 0.872413 0.000000 0.000000 0.205881 0.649911 
0.000000 0.216171 0.000000 0.000000 0.000000 0.000000 
0.000000 0.314620 0.205881 0.000000 0.000000 0.000000 
0.000000 0.585064 0.649911 0.000000 0.000000 0.000000