*Vertices 4
1 "系统工程理论与实践" 0.0 0.0 0.0 x_fact 4.429302 y_fact 24.190801
2 "系统工程" 0.0 0.0 0.0 x_fact 11.073254 y_fact 18.398637
3 "运筹与管理" 0.0 0.0 0.0 x_fact 9.880750 y_fact 15.332198
4 "中国管理科学" 0.0 0.0 0.0 x_fact 7.666099 y_fact 42.078365
*Matrix 
0.000000 0.802093 0.705296 0.219807 
0.802093 0.000000 0.754849 0.383128 
0.705296 0.754849 0.000000 0.347642 
0.219807 0.383128 0.347642 0.000000