*Vertices 2
1 "系统工程理论与实践" 0.0 0.0 0.0 x_fact 1.898734 y_fact 75.316456
2 "数理统计与管理" 0.0 0.0 0.0 x_fact 6.962025 y_fact 24.683544
*Matrix 
0.000000 0.389593 
0.389593 0.000000