*Vertices 5
1 "中草药" 0.0 0.0 0.0 x_fact 15.341959 y_fact 32.070240
2 "药学学报" 0.0 0.0 0.0 x_fact 3.234750 y_fact 8.964880
3 "中国药学杂志" 0.0 0.0 0.0 x_fact 8.410351 y_fact 11.829945
4 "中国中药杂志" 0.0 0.0 0.0 x_fact 15.249538 y_fact 24.537893
5 "中药材" 0.0 0.0 0.0 x_fact 16.127542 y_fact 22.597043
*Matrix 
0.000000 0.500617 0.749858 0.844045 0.815994 
0.500617 0.000000 0.754239 0.456655 0.514998 
0.749858 0.754239 0.000000 0.784558 0.748551 
0.844045 0.456655 0.784558 0.000000 0.894125 
0.815994 0.514998 0.748551 0.894125 0.000000