*Vertices 3
1 "中华结核和呼吸杂志" 0.0 0.0 0.0 x_fact 4.768786 y_fact 45.375723
2 "中华内科杂志" 0.0 0.0 0.0 x_fact 9.248555 y_fact 24.132948
3 "中华医学杂志" 0.0 0.0 0.0 x_fact 5.924855 y_fact 30.491329
*Matrix 
0.000000 0.327028 0.000000 
0.327028 0.000000 0.462096 
0.000000 0.462096 0.000000