*Vertices 7
1 "植物生态学报" 0.0 0.0 0.0 x_fact 5.848351 y_fact 11.492690
2 "植物学报" 0.0 0.0 0.0 x_fact 2.890173 y_fact 9.894594
3 "北京林业大学学报" 0.0 0.0 0.0 x_fact 3.842231 y_fact 6.936416
4 "福建林学院学报" 0.0 0.0 0.0 x_fact 2.618157 y_fact 9.758586
5 "林业科学" 0.0 0.0 0.0 x_fact 6.732404 y_fact 10.404624
6 "林业科学研究" 0.0 0.0 0.0 x_fact 3.944237 y_fact 8.772526
7 "生态学报" 0.0 0.0 0.0 x_fact 17.681061 y_fact 42.740564
*Matrix 
0.000000 0.559823 0.369445 0.000000 0.422286 0.000000 0.728547 
0.559823 0.000000 0.273645 0.000000 0.346581 0.000000 0.345948 
0.369445 0.273645 0.000000 0.000000 0.614760 0.412836 0.361709 
0.000000 0.000000 0.000000 0.000000 0.386136 0.000000 0.000000 
0.422286 0.346581 0.614760 0.386136 0.000000 0.639956 0.441338 
0.000000 0.000000 0.412836 0.000000 0.639956 0.000000 0.000000 
0.728547 0.345948 0.361709 0.000000 0.441338 0.000000 0.000000