*Vertices 3
1 "中风与神经疾病杂志" 0.0 0.0 0.0 x_fact 22.461538 y_fact 36.307692
2 "中国神经精神疾病杂志" 0.0 0.0 0.0 x_fact 12.000000 y_fact 46.153846
3 "中华神经科杂志" 0.0 0.0 0.0 x_fact 2.769231 y_fact 17.538462
*Matrix 
0.000000 0.492515 0.786948 
0.492515 0.000000 0.423983 
0.786948 0.423983 0.000000