*Vertices 3
1 "中华外科杂志" 0.0 0.0 0.0 x_fact 5.104408 y_fact 48.259861
2 "中国实用外科杂志" 0.0 0.0 0.0 x_fact 10.672854 y_fact 36.194896
3 "中国现代普通外科进展" 0.0 0.0 0.0 x_fact 8.120650 y_fact 15.545244
*Matrix 
0.000000 0.486868 0.379888 
0.486868 0.000000 0.618107 
0.379888 0.618107 0.000000