*Vertices 3
1 "植物生理学通讯" 0.0 0.0 0.0 x_fact 0.000000 y_fact 56.737589
2 "甘肃农业大学学报" 0.0 0.0 0.0 x_fact 21.276596 y_fact 24.822695
3 "饲料研究" 0.0 0.0 0.0 x_fact 0.709220 y_fact 18.439716
*Matrix 
0.000000 0.872872 0.000000 
0.872872 0.000000 0.444809 
0.000000 0.444809 0.000000