*Vertices 3
1 "中华检验医学杂志" 0.0 0.0 0.0 x_fact 1.531729 y_fact 13.712619
2 "中华医学杂志" 0.0 0.0 0.0 x_fact 1.239971 y_fact 12.691466
3 "中华医院感染学杂志" 0.0 0.0 0.0 x_fact 5.981036 y_fact 73.595915
*Matrix 
0.000000 0.201417 0.000000 
0.201417 0.000000 0.000000 
0.000000 0.000000 0.000000