*Vertices 6
1 "植物生理学通讯" 0.0 0.0 0.0 x_fact 2.799479 y_fact 8.333333
2 "中国农业科学" 0.0 0.0 0.0 x_fact 11.848958 y_fact 26.562500
3 "作物学报" 0.0 0.0 0.0 x_fact 14.453125 y_fact 29.036458
4 "棉花学报" 0.0 0.0 0.0 x_fact 8.203125 y_fact 16.796875
5 "湖南农业大学学报" 0.0 0.0 0.0 x_fact 6.119792 y_fact 11.718750
6 "中国棉花" 0.0 0.0 0.0 x_fact 2.929688 y_fact 7.552083
*Matrix 
0.000000 0.339852 0.492776 0.000000 0.303904 0.000000 
0.339852 0.000000 0.843522 0.368605 0.294583 0.000000 
0.492776 0.843522 0.000000 0.378428 0.353130 0.000000 
0.000000 0.368605 0.378428 0.000000 0.389468 0.719794 
0.303904 0.294583 0.353130 0.389468 0.000000 0.300269 
0.000000 0.000000 0.000000 0.719794 0.300269 0.000000