*Vertices 7
1 "中草药" 0.0 0.0 0.0 x_fact 11.597938 y_fact 23.260309
2 "药学学报" 0.0 0.0 0.0 x_fact 2.802835 y_fact 6.797680
3 "中国药学杂志" 0.0 0.0 0.0 x_fact 6.668814 y_fact 9.052835
4 "中国药理学通报" 0.0 0.0 0.0 x_fact 3.253866 y_fact 15.753866
5 "中国中药杂志" 0.0 0.0 0.0 x_fact 11.984536 y_fact 18.460052
6 "中国中西医结合杂志" 0.0 0.0 0.0 x_fact 2.190722 y_fact 8.472938
7 "中药材" 0.0 0.0 0.0 x_fact 13.692010 y_fact 18.202320
*Matrix 
0.000000 0.504113 0.749003 0.000000 0.839626 0.000000 0.804228 
0.504113 0.000000 0.757949 0.220243 0.456765 0.000000 0.518281 
0.749003 0.757949 0.000000 0.265493 0.781585 0.000000 0.751490 
0.000000 0.220243 0.265493 0.000000 0.000000 0.000000 0.245840 
0.839626 0.456765 0.781585 0.000000 0.000000 0.230925 0.890175 
0.000000 0.000000 0.000000 0.000000 0.230925 0.000000 0.289949 
0.804228 0.518281 0.751490 0.245840 0.890175 0.289949 0.000000