*Vertices 3
1 "中华眼科杂志" 0.0 0.0 0.0 x_fact 17.739130 y_fact 65.217391
2 "中华眼底病杂志" 0.0 0.0 0.0 x_fact 6.956522 y_fact 19.652174
3 "眼科研究" 0.0 0.0 0.0 x_fact 12.347826 y_fact 15.130435
*Matrix 
0.000000 0.625382 0.909738 
0.625382 0.000000 0.857588 
0.909738 0.857588 0.000000