*Vertices 8
1 "陕西师范大学学报" 0.0 0.0 0.0 x_fact 2.065404 y_fact 9.552496
2 "昆虫分类学报" 0.0 0.0 0.0 x_fact 3.012048 y_fact 3.700516
3 "动物分类学报" 0.0 0.0 0.0 x_fact 2.925990 y_fact 10.585198
4 "昆虫学报" 0.0 0.0 0.0 x_fact 6.540448 y_fact 17.728055
5 "四川动物" 0.0 0.0 0.0 x_fact 0.344234 y_fact 8.261618
6 "昆虫知识" 0.0 0.0 0.0 x_fact 5.249570 y_fact 26.592083
7 "中华卫生杀虫药械" 0.0 0.0 0.0 x_fact 0.000000 y_fact 0.516351
8 "中南林学院学报" 0.0 0.0 0.0 x_fact 0.516351 y_fact 23.063683
*Matrix 
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