*Vertices 4
1 "作物学报" 0.0 0.0 0.0 x_fact 2.614379 y_fact 56.535948
2 "中国糖料" 0.0 0.0 0.0 x_fact 4.575163 y_fact 16.666667
3 "广西农业生物科学" 0.0 0.0 0.0 x_fact 0.980392 y_fact 10.784314
4 "中国甜菜糖业" 0.0 0.0 0.0 x_fact 8.496732 y_fact 16.013072
*Matrix 
0.000000 0.000000 0.000000 0.000000 
0.000000 0.000000 0.000000 0.809027 
0.000000 0.000000 0.000000 0.000000 
0.000000 0.809027 0.000000 0.000000