*Vertices 3
1 "中华皮肤科杂志" 0.0 0.0 0.0 x_fact 4.284104 y_fact 38.105975
2 "临床皮肤科杂志" 0.0 0.0 0.0 x_fact 16.121759 y_fact 38.218715
3 "中国皮肤性病学杂志" 0.0 0.0 0.0 x_fact 15.558061 y_fact 23.675310
*Matrix 
0.000000 0.521219 0.696498 
0.521219 0.000000 0.833963 
0.696498 0.833963 0.000000