*Vertices 4
1 "植物学报" 0.0 0.0 0.0 x_fact 0.000000 y_fact 56.750000
2 "河南农业大学学报" 0.0 0.0 0.0 x_fact 3.750000 y_fact 16.000000
3 "中国烟草科学" 0.0 0.0 0.0 x_fact 4.000000 y_fact 12.750000
4 "植物保护" 0.0 0.0 0.0 x_fact 1.750000 y_fact 14.500000
*Matrix 
0.000000 0.000000 0.000000 0.000000 
0.000000 0.000000 0.378092 0.000000 
0.000000 0.378092 0.000000 0.000000 
0.000000 0.000000 0.000000 0.000000