*Vertices 4
1 "中华骨科杂志" 0.0 0.0 0.0 x_fact 4.101839 y_fact 20.650636
2 "中华外科杂志" 0.0 0.0 0.0 x_fact 7.779349 y_fact 28.571429
3 "中国实用外科杂志" 0.0 0.0 0.0 x_fact 8.769448 y_fact 27.864215
4 "实用临床医药杂志" 0.0 0.0 0.0 x_fact 8.910891 y_fact 22.913720
*Matrix 
0.000000 0.484649 0.000000 0.000000 
0.484649 0.000000 0.484692 0.235992 
0.000000 0.484692 0.000000 0.329537 
0.000000 0.235992 0.329537 0.000000