*Vertices 10
1 "西北植物学报" 0.0 0.0 0.0 x_fact 2.613982 y_fact 14.528875
2 "竹子研究汇刊" 0.0 0.0 0.0 x_fact 3.829787 y_fact 6.504559
3 "福建林学院学报" 0.0 0.0 0.0 x_fact 7.294833 y_fact 20.060790
4 "中南林学院学报" 0.0 0.0 0.0 x_fact 2.613982 y_fact 4.255319
5 "西北林学院学报" 0.0 0.0 0.0 x_fact 3.708207 y_fact 7.294833
6 "经济林研究" 0.0 0.0 0.0 x_fact 1.641337 y_fact 4.012158
7 "林业科学" 0.0 0.0 0.0 x_fact 12.522796 y_fact 19.088146
8 "林业科学研究" 0.0 0.0 0.0 x_fact 6.018237 y_fact 14.650456
9 "江西农业大学学报" 0.0 0.0 0.0 x_fact 1.337386 y_fact 8.145897
10 "中国生态农业学报" 0.0 0.0 0.0 x_fact 0.547112 y_fact 1.458967
*Matrix 
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0.354049 0.550984 0.383627 0.572029 0.416730 0.212409 0.000000 0.634269 0.296292 0.000000 
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