*Vertices 4
1 "植物学报" 0.0 0.0 0.0 x_fact 1.109570 y_fact 32.593620
2 "植物生理学通讯" 0.0 0.0 0.0 x_fact 10.402219 y_fact 22.191401
3 "园艺学报" 0.0 0.0 0.0 x_fact 10.402219 y_fact 31.761442
4 "河北农业大学学报" 0.0 0.0 0.0 x_fact 11.511789 y_fact 13.453537
*Matrix 
0.000000 0.454205 0.000000 0.406046 
0.454205 0.000000 0.605188 0.706780 
0.000000 0.605188 0.000000 0.933568 
0.406046 0.706780 0.933568 0.000000