*Vertices 3
1 "中华结核和呼吸杂志" 0.0 0.0 0.0 x_fact 3.269231 y_fact 57.307692
2 "中华内科杂志" 0.0 0.0 0.0 x_fact 5.961538 y_fact 25.769231
3 "中国实用内科杂志" 0.0 0.0 0.0 x_fact 14.230769 y_fact 16.923077
*Matrix 
0.000000 0.320452 0.825983 
0.320452 0.000000 0.748881 
0.825983 0.748881 0.000000