*Vertices 4
1 "系统工程理论与实践" 0.0 0.0 0.0 x_fact 7.692308 y_fact 41.439206
2 "软件学报" 0.0 0.0 0.0 x_fact 0.000000 y_fact 18.114144
3 "管理工程学报" 0.0 0.0 0.0 x_fact 10.669975 y_fact 14.143921
4 "管理科学学报" 0.0 0.0 0.0 x_fact 6.699752 y_fact 26.302730
*Matrix 
0.000000 0.000000 0.629656 0.370665 
0.000000 0.000000 0.491001 0.000000 
0.629656 0.491001 0.000000 0.646946 
0.370665 0.000000 0.646946 0.000000