*Vertices 8
1 "植物生态学报" 0.0 0.0 0.0 x_fact 5.399863 y_fact 9.182046
2 "植物学报" 0.0 0.0 0.0 x_fact 2.118934 y_fact 6.812486
3 "中国草地" 0.0 0.0 0.0 x_fact 2.779676 y_fact 4.078378
4 "草业科学" 0.0 0.0 0.0 x_fact 3.554340 y_fact 8.225108
5 "草地学报" 0.0 0.0 0.0 x_fact 2.574618 y_fact 3.394851
6 "草业学报" 0.0 0.0 0.0 x_fact 5.855548 y_fact 13.260424
7 "生态学报" 0.0 0.0 0.0 x_fact 17.612212 y_fact 34.404192
8 "应用生态学报" 0.0 0.0 0.0 x_fact 10.845295 y_fact 20.642515
*Matrix 
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0.373017 0.000000 0.000000 0.674751 0.919909 0.530597 0.327809 0.273129 
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0.760800 0.339945 0.327809 0.000000 0.401824 0.230879 0.000000 0.785025 
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