*Vertices 3
1 "系统工程理论与实践" 0.0 0.0 0.0 x_fact 8.363636 y_fact 49.454545
2 "管理工程学报" 0.0 0.0 0.0 x_fact 11.272727 y_fact 17.454545
3 "管理科学学报" 0.0 0.0 0.0 x_fact 7.636364 y_fact 33.090909
*Matrix 
0.000000 0.711708 0.360015 
0.711708 0.000000 0.667658 
0.360015 0.667658 0.000000