*Vertices 7
1 "中草药" 0.0 0.0 0.0 x_fact 6.489995 y_fact 24.067063
2 "中国药学杂志" 0.0 0.0 0.0 x_fact 6.165495 y_fact 10.654408
3 "药物分析杂志" 0.0 0.0 0.0 x_fact 3.407247 y_fact 6.057328
4 "中国医院药学杂志" 0.0 0.0 0.0 x_fact 9.410492 y_fact 14.440238
5 "中国新药与临床杂志" 0.0 0.0 0.0 x_fact 2.704164 y_fact 23.526230
6 "中国药房" 0.0 0.0 0.0 x_fact 10.275825 y_fact 13.683072
7 "中国新药杂志" 0.0 0.0 0.0 x_fact 4.542996 y_fact 7.571660
*Matrix 
0.000000 0.615817 0.573984 0.379399 0.000000 0.329022 0.282538 
0.615817 0.000000 0.751396 0.747656 0.000000 0.677324 0.600275 
0.573984 0.751396 0.000000 0.583279 0.000000 0.545700 0.442084 
0.379399 0.747656 0.583279 0.000000 0.000000 0.840987 0.555789 
0.000000 0.000000 0.000000 0.000000 0.000000 0.312494 0.247531 
0.329022 0.677324 0.545700 0.840987 0.312494 0.000000 0.632737 
0.282538 0.600275 0.442084 0.555789 0.247531 0.632737 0.000000