*Vertices 5
1 "机械工程学报" 0.0 0.0 0.0 x_fact 2.988048 y_fact 36.653386
2 "中国铁道科学" 0.0 0.0 0.0 x_fact 9.760956 y_fact 28.286853
3 "铁道学报" 0.0 0.0 0.0 x_fact 5.776892 y_fact 17.131474
4 "铁道车辆" 0.0 0.0 0.0 x_fact 3.187251 y_fact 12.151394
5 "内燃机车" 0.0 0.0 0.0 x_fact 2.988048 y_fact 5.776892
*Matrix 
0.000000 0.000000 0.000000 0.000000 0.000000 
0.000000 0.000000 0.712463 0.000000 0.339113 
0.000000 0.712463 0.000000 0.265051 0.451346 
0.000000 0.000000 0.265051 0.000000 0.428584 
0.000000 0.339113 0.451346 0.428584 0.000000