*Vertices 3
1 "中华结核和呼吸杂志" 0.0 0.0 0.0 x_fact 2.102102 y_fact 44.294294
2 "中华内科杂志" 0.0 0.0 0.0 x_fact 4.654655 y_fact 20.120120
3 "中国呼吸与危重监护杂志" 0.0 0.0 0.0 x_fact 11.561562 y_fact 35.585586
*Matrix 
0.000000 0.320395 0.379785 
0.320395 0.000000 0.000000 
0.379785 0.000000 0.000000