*Vertices 4
1 "中国药学杂志" 0.0 0.0 0.0 x_fact 14.449696 y_fact 22.889939
2 "药物分析杂志" 0.0 0.0 0.0 x_fact 10.600945 y_fact 18.501013
3 "中国医院药学杂志" 0.0 0.0 0.0 x_fact 12.896691 y_fact 19.311276
4 "中国药房" 0.0 0.0 0.0 x_fact 13.099257 y_fact 39.297772
*Matrix 
0.000000 0.640177 0.680265 0.236126 
0.640177 0.000000 0.601085 0.201655 
0.680265 0.601085 0.000000 0.486892 
0.236126 0.201655 0.486892 0.000000