*Vertices 4
1 "国防科技大学学报" 0.0 0.0 0.0 x_fact 1.973684 y_fact 11.184211
2 "中国空间科学技术" 0.0 0.0 0.0 x_fact 4.605263 y_fact 17.763158
3 "宇航学报" 0.0 0.0 0.0 x_fact 14.473684 y_fact 50.000000
4 "飞行器测控学报" 0.0 0.0 0.0 x_fact 8.552632 y_fact 21.052632
*Matrix 
0.000000 0.000000 0.309280 0.241497 
0.000000 0.000000 0.426856 0.337691 
0.309280 0.426856 0.000000 0.339646 
0.241497 0.337691 0.339646 0.000000