*Vertices 4
1 "中华外科杂志" 0.0 0.0 0.0 x_fact 8.045977 y_fact 31.800766
2 "中华普通外科杂志" 0.0 0.0 0.0 x_fact 9.961686 y_fact 17.241379
3 "中华肝胆外科杂志" 0.0 0.0 0.0 x_fact 10.089400 y_fact 24.904215
4 "中国实用外科杂志" 0.0 0.0 0.0 x_fact 12.005109 y_fact 26.053640
*Matrix 
0.000000 0.479642 0.397476 0.505718 
0.479642 0.000000 0.538991 0.782613 
0.397476 0.538991 0.000000 0.409245 
0.505718 0.782613 0.409245 0.000000