*Vertices 9
1 "中国公共卫生" 0.0 0.0 0.0 x_fact 7.670544 y_fact 12.794719
2 "中华流行病学杂志" 0.0 0.0 0.0 x_fact 2.483496 y_fact 6.978937
3 "中华医院感染学杂志" 0.0 0.0 0.0 x_fact 0.723043 y_fact 38.792832
4 "中国计划免疫" 0.0 0.0 0.0 x_fact 0.785916 y_fact 5.658598
5 "中国学校卫生" 0.0 0.0 0.0 x_fact 3.520905 y_fact 11.725872
6 "现代预防医学" 0.0 0.0 0.0 x_fact 7.764854 y_fact 10.374096
7 "中国艾滋病性病" 0.0 0.0 0.0 x_fact 1.320340 y_fact 4.715498
8 "中国卫生检验杂志" 0.0 0.0 0.0 x_fact 3.175102 y_fact 6.413078
9 "环境与健康杂志" 0.0 0.0 0.0 x_fact 1.100283 y_fact 2.546369
*Matrix 
0.000000 0.708371 0.000000 0.000000 0.353330 0.636033 0.386969 0.448587 0.532465 
0.708371 0.000000 0.000000 0.256468 0.000000 0.513892 0.296489 0.330843 0.000000 
0.000000 0.000000 0.000000 0.000000 0.000000 0.226771 0.000000 0.000000 0.000000 
0.000000 0.256468 0.000000 0.000000 0.000000 0.292355 0.000000 0.000000 0.000000 
0.353330 0.000000 0.000000 0.000000 0.000000 0.333920 0.000000 0.000000 0.211164 
0.636033 0.513892 0.226771 0.292355 0.333920 0.000000 0.398021 0.496064 0.404097 
0.386969 0.296489 0.000000 0.000000 0.000000 0.398021 0.000000 0.000000 0.000000 
0.448587 0.330843 0.000000 0.000000 0.000000 0.496064 0.000000 0.000000 0.259280 
0.532465 0.000000 0.000000 0.000000 0.211164 0.404097 0.000000 0.259280 0.000000