*Vertices 4
1 "中华妇产科杂志" 0.0 0.0 0.0 x_fact 4.798762 y_fact 19.504644
2 "中国实用妇科与产科杂志" 0.0 0.0 0.0 x_fact 30.959752 y_fact 45.665635
3 "现代妇产科进展" 0.0 0.0 0.0 x_fact 13.312693 y_fact 15.479876
4 "实用妇产科杂志" 0.0 0.0 0.0 x_fact 12.229102 y_fact 19.349845
*Matrix 
0.000000 0.922838 0.931089 0.845212 
0.922838 0.000000 0.976432 0.832538 
0.931089 0.976432 0.000000 0.861272 
0.845212 0.832538 0.861272 0.000000