*Vertices 3
1 "系统工程学报" 0.0 0.0 0.0 x_fact 7.022472 y_fact 19.662921
2 "系统工程理论与实践" 0.0 0.0 0.0 x_fact 11.235955 y_fact 43.820225
3 "管理科学学报" 0.0 0.0 0.0 x_fact 8.426966 y_fact 36.516854
*Matrix 
0.000000 0.541992 0.304887 
0.541992 0.000000 0.345851 
0.304887 0.345851 0.000000