*Vertices 3
1 "中华检验医学杂志" 0.0 0.0 0.0 x_fact 10.810811 y_fact 39.639640
2 "中华医学杂志" 0.0 0.0 0.0 x_fact 1.981982 y_fact 32.612613
3 "中华风湿病学杂志" 0.0 0.0 0.0 x_fact 3.423423 y_fact 27.747748
*Matrix 
0.000000 0.238983 0.207048 
0.238983 0.000000 0.000000 
0.207048 0.000000 0.000000