*Vertices 4
1 "中国药理学报" 0.0 0.0 0.0 x_fact 0.963855 y_fact 21.124498
2 "中草药" 0.0 0.0 0.0 x_fact 15.502008 y_fact 44.578313
3 "药学学报" 0.0 0.0 0.0 x_fact 6.987952 y_fact 16.947791
4 "中国药学杂志" 0.0 0.0 0.0 x_fact 11.405622 y_fact 17.349398
*Matrix 
0.000000 0.000000 0.294511 0.000000 
0.000000 0.000000 0.500767 0.717579 
0.294511 0.500767 0.000000 0.779677 
0.000000 0.717579 0.779677 0.000000