*Vertices 4
1 "中国中药杂志" 0.0 0.0 0.0 x_fact 1.789474 y_fact 27.684211
2 "中国医院药学杂志" 0.0 0.0 0.0 x_fact 6.842105 y_fact 16.842105
3 "中国药房" 0.0 0.0 0.0 x_fact 10.736842 y_fact 51.578947
4 "药学实践杂志" 0.0 0.0 0.0 x_fact 3.894737 y_fact 3.894737
*Matrix 
0.000000 0.312362 0.000000 0.686093 
0.312362 0.000000 0.493107 0.872640 
0.000000 0.493107 0.000000 0.616358 
0.686093 0.872640 0.616358 0.000000