*Vertices 3
1 "系统工程理论与实践" 0.0 0.0 0.0 x_fact 1.465201 y_fact 26.373626
2 "电子学报" 0.0 0.0 0.0 x_fact 2.747253 y_fact 37.912088
3 "系统工程与电子技术" 0.0 0.0 0.0 x_fact 20.329670 y_fact 35.714286
*Matrix 
0.000000 0.000000 0.554715 
0.000000 0.000000 0.506448 
0.554715 0.506448 0.000000