*Vertices 3
1 "遗传学报" 0.0 0.0 0.0 x_fact 1.366120 y_fact 40.163934
2 "山东农业大学学报" 0.0 0.0 0.0 x_fact 9.016393 y_fact 13.934426
3 "园艺学报" 0.0 0.0 0.0 x_fact 3.825137 y_fact 45.901639
*Matrix 
0.000000 0.628311 0.000000 
0.628311 0.000000 0.561872 
0.000000 0.561872 0.000000