*Vertices 6
1 "植物生理学通讯" 0.0 0.0 0.0 x_fact 0.626566 y_fact 10.651629
2 "中国草地" 0.0 0.0 0.0 x_fact 1.127820 y_fact 8.270677
3 "中国林副特产" 0.0 0.0 0.0 x_fact 3.634085 y_fact 4.511278
4 "玉米科学" 0.0 0.0 0.0 x_fact 1.629073 y_fact 16.416040
5 "食品工业科技" 0.0 0.0 0.0 x_fact 15.538847 y_fact 24.310777
6 "食品科学" 0.0 0.0 0.0 x_fact 9.022556 y_fact 35.839599
*Matrix 
0.000000 0.000000 0.490587 0.000000 0.000000 0.000000 
0.000000 0.000000 0.462774 0.000000 0.000000 0.000000 
0.490587 0.462774 0.000000 0.312421 0.608409 0.601739 
0.000000 0.000000 0.312421 0.000000 0.000000 0.000000 
0.000000 0.000000 0.608409 0.000000 0.000000 0.964905 
0.000000 0.000000 0.601739 0.000000 0.964905 0.000000