*Vertices 4
1 "中华眼科杂志" 0.0 0.0 0.0 x_fact 7.251908 y_fact 27.480916
2 "眼科研究" 0.0 0.0 0.0 x_fact 10.687023 y_fact 15.776081
3 "中国实用眼科杂志" 0.0 0.0 0.0 x_fact 29.262087 y_fact 43.893130
4 "眼视光学杂志" 0.0 0.0 0.0 x_fact 8.651399 y_fact 12.849873
*Matrix 
0.000000 0.897496 0.935041 0.818320 
0.897496 0.000000 0.882763 0.771448 
0.935041 0.882763 0.000000 0.832111 
0.818320 0.771448 0.832111 0.000000