*Vertices 4
1 "系统工程学报" 0.0 0.0 0.0 x_fact 11.484594 y_fact 20.168067
2 "系统工程理论与实践" 0.0 0.0 0.0 x_fact 13.445378 y_fact 45.098039
3 "系统工程理论方法应用" 0.0 0.0 0.0 x_fact 10.924370 y_fact 13.165266
4 "系统工程" 0.0 0.0 0.0 x_fact 13.445378 y_fact 21.568627
*Matrix 
0.000000 0.853857 0.854419 0.774732 
0.853857 0.000000 0.863249 0.818924 
0.854419 0.863249 0.000000 0.960906 
0.774732 0.818924 0.960906 0.000000