*Vertices 4
1 "车用发动机" 0.0 0.0 0.0 x_fact 16.326531 y_fact 24.897959
2 "内燃机学报" 0.0 0.0 0.0 x_fact 9.387755 y_fact 32.244898
3 "小型内燃机与摩托车" 0.0 0.0 0.0 x_fact 11.836735 y_fact 20.408163
4 "汽车工程" 0.0 0.0 0.0 x_fact 6.122449 y_fact 22.448980
*Matrix 
0.000000 0.871027 0.766983 0.312994 
0.871027 0.000000 0.693954 0.470198 
0.766983 0.693954 0.000000 0.437617 
0.312994 0.470198 0.437617 0.000000