*Vertices 5
1 "中国农业科学" 0.0 0.0 0.0 x_fact 42.896743 y_fact 49.826750
2 "作物学报" 0.0 0.0 0.0 x_fact 8.246708 y_fact 19.681220
3 "大豆科学" 0.0 0.0 0.0 x_fact 2.910603 y_fact 11.850312
4 "中国油料作物学报" 0.0 0.0 0.0 x_fact 7.761608 y_fact 13.860014
5 "江苏农业科学" 0.0 0.0 0.0 x_fact 1.039501 y_fact 4.781705
*Matrix 
0.000000 0.944670 0.000000 0.286445 0.000000 
0.944670 0.000000 0.000000 0.426706 0.000000 
0.000000 0.000000 0.000000 0.518138 0.000000 
0.286445 0.426706 0.518138 0.000000 0.270853 
0.000000 0.000000 0.000000 0.270853 0.000000