*Vertices 3
1 "植物保护学报" 0.0 0.0 0.0 x_fact 1.485149 y_fact 17.326733
2 "农药学学报" 0.0 0.0 0.0 x_fact 13.366337 y_fact 25.247525
3 "农药" 0.0 0.0 0.0 x_fact 9.900990 y_fact 57.425743
*Matrix 
0.000000 0.535439 0.000000 
0.535439 0.000000 0.519896 
0.000000 0.519896 0.000000