*Vertices 4
1 "中国医学影像技术" 0.0 0.0 0.0 x_fact 6.817067 y_fact 33.496812
2 "中华放射学杂志" 0.0 0.0 0.0 x_fact 3.482099 y_fact 22.952428
3 "临床放射学杂志" 0.0 0.0 0.0 x_fact 7.160373 y_fact 13.487003
4 "实用放射学杂志" 0.0 0.0 0.0 x_fact 17.949975 y_fact 30.063757
*Matrix 
0.000000 0.240045 0.264760 0.303109 
0.240045 0.000000 0.705201 0.672785 
0.264760 0.705201 0.000000 0.695437 
0.303109 0.672785 0.695437 0.000000