*Vertices 10
1 "植物生态学报" 0.0 0.0 0.0 x_fact 8.813145 y_fact 10.850081
2 "西北植物学报" 0.0 0.0 0.0 x_fact 2.756654 y_fact 5.825638
3 "水土保持研究" 0.0 0.0 0.0 x_fact 1.724606 y_fact 2.797393
4 "林业科学" 0.0 0.0 0.0 x_fact 2.743074 y_fact 4.603476
5 "水土保持学报" 0.0 0.0 0.0 x_fact 3.367735 y_fact 10.320478
6 "生态环境" 0.0 0.0 0.0 x_fact 0.407387 y_fact 2.525801
7 "中国农学通报" 0.0 0.0 0.0 x_fact 0.380228 y_fact 1.860402
8 "生态学报" 0.0 0.0 0.0 x_fact 14.244976 y_fact 21.414992
9 "应用生态学报" 0.0 0.0 0.0 x_fact 10.524172 y_fact 33.772406
10 "生态学杂志" 0.0 0.0 0.0 x_fact 3.544269 y_fact 6.029332
*Matrix 
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