*Vertices 11
1 "四川大学学报" 0.0 0.0 0.0 x_fact 0.270636 y_fact 6.021651
2 "数学的实践与认识" 0.0 0.0 0.0 x_fact 8.186739 y_fact 12.516915
3 "系统工程学报" 0.0 0.0 0.0 x_fact 4.736130 y_fact 7.983762
4 "系统工程理论与实践" 0.0 0.0 0.0 x_fact 7.171854 y_fact 16.373478
5 "系统工程理论方法应用" 0.0 0.0 0.0 x_fact 5.548038 y_fact 6.630582
6 "系统工程" 0.0 0.0 0.0 x_fact 9.742896 y_fact 13.058187
7 "工程数学学报" 0.0 0.0 0.0 x_fact 0.338295 y_fact 1.894452
8 "运筹与管理" 0.0 0.0 0.0 x_fact 6.968877 y_fact 10.013532
9 "管理工程学报" 0.0 0.0 0.0 x_fact 2.638701 y_fact 3.585927
10 "管理科学学报" 0.0 0.0 0.0 x_fact 4.194858 y_fact 9.539919
11 "中国管理科学" 0.0 0.0 0.0 x_fact 6.630582 y_fact 12.381597
*Matrix 
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