*Vertices 4
1 "中国医学影像技术" 0.0 0.0 0.0 x_fact 7.863318 y_fact 33.058872
2 "中华放射学杂志" 0.0 0.0 0.0 x_fact 3.705228 y_fact 24.001647
3 "临床放射学杂志" 0.0 0.0 0.0 x_fact 7.369288 y_fact 13.791684
4 "实用放射学杂志" 0.0 0.0 0.0 x_fact 16.097159 y_fact 29.147797
*Matrix 
0.000000 0.261863 0.250052 0.271508 
0.261863 0.000000 0.729382 0.660236 
0.250052 0.729382 0.000000 0.662597 
0.271508 0.660236 0.662597 0.000000