*Vertices 3
1 "中华眼科杂志" 0.0 0.0 0.0 x_fact 9.631148 y_fact 45.081967
2 "中华眼底病杂志" 0.0 0.0 0.0 x_fact 8.196721 y_fact 21.311475
3 "眼科研究" 0.0 0.0 0.0 x_fact 24.590164 y_fact 33.606557
*Matrix 
0.000000 0.565439 0.936294 
0.565439 0.000000 0.706975 
0.936294 0.706975 0.000000