*Vertices 3
1 "第三军医大学学报" 0.0 0.0 0.0 x_fact 6.590909 y_fact 55.227273
2 "中国实用外科杂志" 0.0 0.0 0.0 x_fact 2.272727 y_fact 27.272727
3 "消化外科" 0.0 0.0 0.0 x_fact 9.090909 y_fact 17.500000
*Matrix 
0.000000 0.000000 0.485819 
0.000000 0.000000 0.504292 
0.485819 0.504292 0.000000