*Vertices 8
1 "第三军医大学学报" 0.0 0.0 0.0 x_fact 2.500000 y_fact 15.312500
2 "中华外科杂志" 0.0 0.0 0.0 x_fact 2.366071 y_fact 8.928571
3 "中国普通外科杂志" 0.0 0.0 0.0 x_fact 11.875000 y_fact 24.776786
4 "中华普通外科杂志" 0.0 0.0 0.0 x_fact 4.330357 y_fact 6.428571
5 "中华肝胆外科杂志" 0.0 0.0 0.0 x_fact 9.017857 y_fact 15.357143
6 "中国实用外科杂志" 0.0 0.0 0.0 x_fact 6.071429 y_fact 12.098214
7 "肝胆外科杂志" 0.0 0.0 0.0 x_fact 7.901786 y_fact 9.821429
8 "消化外科" 0.0 0.0 0.0 x_fact 6.383929 y_fact 7.276786
*Matrix 
0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.302001 
0.000000 0.000000 0.273288 0.718594 0.484725 0.507079 0.540305 0.407768 
0.000000 0.273288 0.000000 0.437246 0.334357 0.456107 0.479878 0.554189 
0.000000 0.718594 0.437246 0.000000 0.648389 0.763343 0.761953 0.737992 
0.000000 0.484725 0.334357 0.648389 0.000000 0.659919 0.782332 0.675381 
0.000000 0.507079 0.456107 0.763343 0.659919 0.000000 0.902683 0.892153 
0.000000 0.540305 0.479878 0.761953 0.782332 0.902683 0.000000 0.889672 
0.302001 0.407768 0.554189 0.737992 0.675381 0.892153 0.889672 0.000000