*Vertices 3
1 "中华外科杂志" 0.0 0.0 0.0 x_fact 3.614458 y_fact 19.518072
2 "中国实用外科杂志" 0.0 0.0 0.0 x_fact 20.000000 y_fact 53.975904
3 "外科理论与实践" 0.0 0.0 0.0 x_fact 16.385542 y_fact 26.506024
*Matrix 
0.000000 0.580299 0.616401 
0.580299 0.000000 0.799438 
0.616401 0.799438 0.000000