*Vertices 8
1 "西北植物学报" 0.0 0.0 0.0 x_fact 2.160030 y_fact 6.404959
2 "水土保持研究" 0.0 0.0 0.0 x_fact 1.352367 y_fact 2.836213
3 "东北林业大学学报" 0.0 0.0 0.0 x_fact 1.690458 y_fact 3.249437
4 "林业科学" 0.0 0.0 0.0 x_fact 3.643877 y_fact 6.217130
5 "生态环境" 0.0 0.0 0.0 x_fact 0.375657 y_fact 3.305785
6 "生态学报" 0.0 0.0 0.0 x_fact 16.284748 y_fact 26.202104
7 "应用生态学报" 0.0 0.0 0.0 x_fact 11.645379 y_fact 43.801653
8 "生态学杂志" 0.0 0.0 0.0 x_fact 4.545455 y_fact 7.982720
*Matrix 
0.000000 0.226604 0.000000 0.250771 0.000000 0.312208 0.244379 0.278820 
0.226604 0.000000 0.258539 0.321548 0.000000 0.462839 0.441024 0.386982 
0.000000 0.258539 0.000000 0.500858 0.000000 0.331724 0.276363 0.399717 
0.250771 0.321548 0.500858 0.000000 0.000000 0.568295 0.500717 0.464923 
0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 
0.312208 0.462839 0.331724 0.568295 0.000000 0.000000 0.681687 0.689060 
0.244379 0.441024 0.276363 0.500717 0.000000 0.681687 0.000000 0.546203 
0.278820 0.386982 0.399717 0.464923 0.000000 0.689060 0.546203 0.000000