*Vertices 3
1 "系统工程理论与实践" 0.0 0.0 0.0 x_fact 7.480315 y_fact 51.968504
2 "系统工程" 0.0 0.0 0.0 x_fact 14.566929 y_fact 25.984252
3 "运筹与管理" 0.0 0.0 0.0 x_fact 14.566929 y_fact 22.047244
*Matrix 
0.000000 0.806137 0.805997 
0.806137 0.000000 0.858337 
0.805997 0.858337 0.000000