*Vertices 3
1 "中华肿瘤杂志" 0.0 0.0 0.0 x_fact 0.000000 y_fact 62.666667
2 "中国循证医学杂志" 0.0 0.0 0.0 x_fact 2.666667 y_fact 8.000000
3 "循证医学" 0.0 0.0 0.0 x_fact 16.000000 y_fact 29.333333
*Matrix 
0.000000 0.235702 0.457496 
0.235702 0.000000 0.718885 
0.457496 0.718885 0.000000