*Vertices 3
1 "中华皮肤科杂志" 0.0 0.0 0.0 x_fact 5.526316 y_fact 45.000000
2 "临床皮肤科杂志" 0.0 0.0 0.0 x_fact 13.026316 y_fact 38.815789
3 "中国艾滋病性病" 0.0 0.0 0.0 x_fact 3.157895 y_fact 16.184211
*Matrix 
0.000000 0.522589 0.220315 
0.522589 0.000000 0.000000 
0.220315 0.000000 0.000000