*Vertices 10
1 "东北师大学报" 0.0 0.0 0.0 x_fact 1.042092 y_fact 4.781365
2 "分子科学学报" 0.0 0.0 0.0 x_fact 0.081733 y_fact 1.369023
3 "干旱区地理" 0.0 0.0 0.0 x_fact 0.490396 y_fact 11.973846
4 "西北植物学报" 0.0 0.0 0.0 x_fact 2.022885 y_fact 6.640785
5 "草业科学" 0.0 0.0 0.0 x_fact 2.043318 y_fact 11.319984
6 "草业学报" 0.0 0.0 0.0 x_fact 2.227217 y_fact 7.069881
7 "生态环境" 0.0 0.0 0.0 x_fact 0.408664 y_fact 3.596240
8 "应用生态学报" 0.0 0.0 0.0 x_fact 8.030241 y_fact 43.011851
9 "资源科学" 0.0 0.0 0.0 x_fact 1.123825 y_fact 3.146710
10 "生态学杂志" 0.0 0.0 0.0 x_fact 3.351042 y_fact 7.090315
*Matrix 
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