*Vertices 11
1 "植物生态学报" 0.0 0.0 0.0 x_fact 12.563967 y_fact 15.493206
2 "西北植物学报" 0.0 0.0 0.0 x_fact 1.799894 y_fact 5.258514
3 "应用与环境生物学报" 0.0 0.0 0.0 x_fact 1.358744 y_fact 2.452797
4 "林业科学" 0.0 0.0 0.0 x_fact 4.217399 y_fact 6.123169
5 "江西农业大学学报" 0.0 0.0 0.0 x_fact 0.370566 y_fact 2.346921
6 "水土保持学报" 0.0 0.0 0.0 x_fact 1.605788 y_fact 9.546497
7 "草业学报" 0.0 0.0 0.0 x_fact 1.394036 y_fact 7.128992
8 "自然资源学报" 0.0 0.0 0.0 x_fact 2.135169 y_fact 3.440974
9 "生态学报" 0.0 0.0 0.0 x_fact 11.522852 y_fact 24.527969
10 "应用生态学报" 0.0 0.0 0.0 x_fact 10.887595 y_fact 18.475384
11 "生态学杂志" 0.0 0.0 0.0 x_fact 4.235045 y_fact 5.205576
*Matrix 
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