*Vertices 4
1 "系统工程学报" 0.0 0.0 0.0 x_fact 7.259953 y_fact 17.798595
2 "系统工程理论与实践" 0.0 0.0 0.0 x_fact 9.601874 y_fact 36.768150
3 "管理工程学报" 0.0 0.0 0.0 x_fact 8.196721 y_fact 11.241218
4 "管理科学学报" 0.0 0.0 0.0 x_fact 10.772834 y_fact 34.192037
*Matrix 
0.000000 0.539003 0.778908 0.317718 
0.539003 0.000000 0.708158 0.342975 
0.778908 0.708158 0.000000 0.596776 
0.317718 0.342975 0.596776 0.000000