*Vertices 4
1 "中国医学影像技术" 0.0 0.0 0.0 x_fact 10.331275 y_fact 44.693992
2 "中华放射学杂志" 0.0 0.0 0.0 x_fact 4.379562 y_fact 32.060640
3 "中国医学计算机成像杂志" 0.0 0.0 0.0 x_fact 4.435710 y_fact 5.109489
4 "临床放射学杂志" 0.0 0.0 0.0 x_fact 9.376755 y_fact 18.135879
*Matrix 
0.000000 0.260730 0.453391 0.247848 
0.260730 0.000000 0.949057 0.729521 
0.453391 0.949057 0.000000 0.808896 
0.247848 0.729521 0.808896 0.000000