*Vertices 4
1 "植物生理学通讯" 0.0 0.0 0.0 x_fact 7.473310 y_fact 21.708185
2 "作物学报" 0.0 0.0 0.0 x_fact 3.024911 y_fact 32.384342
3 "园艺学报" 0.0 0.0 0.0 x_fact 7.473310 y_fact 30.604982
4 "湖南农业大学学报" 0.0 0.0 0.0 x_fact 9.252669 y_fact 15.302491
*Matrix 
0.000000 0.000000 0.612308 0.614384 
0.000000 0.000000 0.000000 0.381031 
0.612308 0.000000 0.000000 0.464402 
0.614384 0.381031 0.464402 0.000000