*Vertices 3
1 "中国中药杂志" 0.0 0.0 0.0 x_fact 34.285714 y_fact 67.755102
2 "中国中西医结合杂志" 0.0 0.0 0.0 x_fact 6.938776 y_fact 22.857143
3 "中国实验方剂学杂志" 0.0 0.0 0.0 x_fact 7.074830 y_fact 9.387755
*Matrix 
0.000000 0.357320 0.805569 
0.357320 0.000000 0.509899 
0.805569 0.509899 0.000000