*Vertices 3
1 "中华结核和呼吸杂志" 0.0 0.0 0.0 x_fact 1.967213 y_fact 42.295082
2 "中华医学杂志" 0.0 0.0 0.0 x_fact 2.295082 y_fact 28.032787
3 "中国呼吸与危重监护杂志" 0.0 0.0 0.0 x_fact 16.065574 y_fact 29.672131
*Matrix 
0.000000 0.000000 0.724118 
0.000000 0.000000 0.000000 
0.724118 0.000000 0.000000