*Vertices 4
1 "昆虫学报" 0.0 0.0 0.0 x_fact 6.626099 y_fact 21.771467
2 "昆虫知识" 0.0 0.0 0.0 x_fact 8.181204 y_fact 13.252197
3 "植物保护学报" 0.0 0.0 0.0 x_fact 3.583502 y_fact 5.611900
4 "生态学报" 0.0 0.0 0.0 x_fact 6.693712 y_fact 59.364435
*Matrix 
0.000000 0.819715 0.851324 0.000000 
0.819715 0.000000 0.806655 0.294071 
0.851324 0.806655 0.000000 0.000000 
0.000000 0.294071 0.000000 0.000000