*Vertices 3
1 "中华心血管病杂志" 0.0 0.0 0.0 x_fact 0.000000 y_fact 27.648579
2 "中国实用外科杂志" 0.0 0.0 0.0 x_fact 0.000000 y_fact 34.883721
3 "中国综合临床" 0.0 0.0 0.0 x_fact 20.155039 y_fact 37.467700
*Matrix 
0.000000 0.000000 0.449405 
0.000000 0.000000 0.449405 
0.449405 0.449405 0.000000