*Vertices 3
1 "中华麻醉学杂志" 0.0 0.0 0.0 x_fact 8.185053 y_fact 33.096085
2 "临床麻醉学杂志" 0.0 0.0 0.0 x_fact 22.419929 y_fact 55.516014
3 "中国疼痛医学杂志" 0.0 0.0 0.0 x_fact 4.626335 y_fact 11.387900
*Matrix 
0.000000 0.745739 0.464130 
0.745739 0.000000 0.424472 
0.464130 0.424472 0.000000