*Vertices 4
1 "中华流行病学杂志" 0.0 0.0 0.0 x_fact 1.404213 y_fact 15.747242
2 "中华皮肤科杂志" 0.0 0.0 0.0 x_fact 2.306921 y_fact 42.126379
3 "中国皮肤性病学杂志" 0.0 0.0 0.0 x_fact 15.546640 y_fact 25.877633
4 "中国艾滋病性病" 0.0 0.0 0.0 x_fact 5.416249 y_fact 16.248746
*Matrix 
0.000000 0.000000 0.000000 0.286242 
0.000000 0.000000 0.834242 0.000000 
0.000000 0.834242 0.000000 0.239181 
0.286242 0.000000 0.239181 0.000000