*Vertices 3
1 "中华传染病杂志" 0.0 0.0 0.0 x_fact 7.090103 y_fact 12.555391
2 "中华医学杂志" 0.0 0.0 0.0 x_fact 3.545052 y_fact 70.014771
3 "中华肝脏病杂志" 0.0 0.0 0.0 x_fact 4.283604 y_fact 17.429838
*Matrix 
0.000000 0.323920 0.768009 
0.323920 0.000000 0.230203 
0.768009 0.230203 0.000000