*Vertices 7
1 "昆虫学报" 0.0 0.0 0.0 x_fact 7.621951 y_fact 21.849593
2 "昆虫知识" 0.0 0.0 0.0 x_fact 14.227642 y_fact 27.540650
3 "植物保护学报" 0.0 0.0 0.0 x_fact 5.284553 y_fact 8.536585
4 "中国生物防治" 0.0 0.0 0.0 x_fact 3.556911 y_fact 7.825203
5 "昆虫天敌" 0.0 0.0 0.0 x_fact 5.589431 y_fact 8.333333
6 "林业科学研究" 0.0 0.0 0.0 x_fact 1.321138 y_fact 15.752033
7 "植物保护" 0.0 0.0 0.0 x_fact 6.707317 y_fact 10.162602
*Matrix 
0.000000 0.577327 0.588227 0.283466 0.308378 0.000000 0.552094 
0.577327 0.000000 0.659109 0.322343 0.447175 0.000000 0.704273 
0.588227 0.659109 0.000000 0.443055 0.530234 0.000000 0.829506 
0.283466 0.322343 0.443055 0.000000 0.587110 0.000000 0.515670 
0.308378 0.447175 0.530234 0.587110 0.000000 0.225121 0.637374 
0.000000 0.000000 0.000000 0.000000 0.225121 0.000000 0.000000 
0.552094 0.704273 0.829506 0.515670 0.637374 0.000000 0.000000