*Vertices 11
1 "植物生态学报" 0.0 0.0 0.0 x_fact 12.263587 y_fact 15.568385
2 "西北植物学报" 0.0 0.0 0.0 x_fact 1.931117 y_fact 5.833167
3 "土壤" 0.0 0.0 0.0 x_fact 1.373681 y_fact 2.787179
4 "福建林学院学报" 0.0 0.0 0.0 x_fact 1.234322 y_fact 5.415091
5 "西北林学院学报" 0.0 0.0 0.0 x_fact 1.015329 y_fact 2.189926
6 "东北林业大学学报" 0.0 0.0 0.0 x_fact 1.791758 y_fact 3.304798
7 "江西农业大学学报" 0.0 0.0 0.0 x_fact 0.398168 y_fact 2.627912
8 "水土保持学报" 0.0 0.0 0.0 x_fact 1.831575 y_fact 10.790364
9 "生态学报" 0.0 0.0 0.0 x_fact 10.651005 y_fact 25.323512
10 "应用生态学报" 0.0 0.0 0.0 x_fact 11.288075 y_fact 19.848696
11 "生态学杂志" 0.0 0.0 0.0 x_fact 5.216006 y_fact 6.310970
*Matrix 
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