*Vertices 4
1 "中国药理学通报" 0.0 0.0 0.0 x_fact 1.929950 y_fact 34.882059
2 "中国中药杂志" 0.0 0.0 0.0 x_fact 16.726233 y_fact 34.310222
3 "中药材" 0.0 0.0 0.0 x_fact 12.365976 y_fact 21.729807
4 "中药新药与临床药理" 0.0 0.0 0.0 x_fact 7.290922 y_fact 9.077913
*Matrix 
0.000000 0.000000 0.000000 0.350302 
0.000000 0.000000 0.742068 0.773469 
0.000000 0.742068 0.000000 0.776150 
0.350302 0.773469 0.776150 0.000000