*Vertices 3
1 "园艺学报" 0.0 0.0 0.0 x_fact 1.840491 y_fact 53.987730
2 "热带作物学报" 0.0 0.0 0.0 x_fact 9.815951 y_fact 17.791411
3 "福建农林大学学报" 0.0 0.0 0.0 x_fact 1.226994 y_fact 28.220859
*Matrix 
0.000000 0.610109 0.000000 
0.610109 0.000000 0.344383 
0.000000 0.344383 0.000000