*Vertices 12
1 "干旱区研究" 0.0 0.0 0.0 x_fact 0.631781 y_fact 3.419860
2 "武汉植物学研究" 0.0 0.0 0.0 x_fact 1.373438 y_fact 1.964016
3 "植物生态学报" 0.0 0.0 0.0 x_fact 9.655267 y_fact 11.715424
4 "西北植物学报" 0.0 0.0 0.0 x_fact 2.376047 y_fact 5.480016
5 "广西植物" 0.0 0.0 0.0 x_fact 0.961406 y_fact 1.510781
6 "生物多样性" 0.0 0.0 0.0 x_fact 2.650735 y_fact 3.502266
7 "应用与环境生物学报" 0.0 0.0 0.0 x_fact 1.304766 y_fact 2.362313
8 "草业科学" 0.0 0.0 0.0 x_fact 0.796594 y_fact 7.032001
9 "林业科学" 0.0 0.0 0.0 x_fact 2.472188 y_fact 4.353798
10 "生态学报" 0.0 0.0 0.0 x_fact 13.487158 y_fact 20.738909
11 "应用生态学报" 0.0 0.0 0.0 x_fact 8.611454 y_fact 32.124708
12 "生态学杂志" 0.0 0.0 0.0 x_fact 3.282516 y_fact 5.795907
*Matrix 
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0.000000 0.317062 0.451565 0.231680 0.255705 0.422292 0.000000 0.000000 0.297165 0.431106 0.321753 0.427759 
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