*Vertices 7
1 "植物生理学通讯" 0.0 0.0 0.0 x_fact 4.343164 y_fact 8.900804
2 "中国水稻科学" 0.0 0.0 0.0 x_fact 6.487936 y_fact 13.994638
3 "中国农业科学" 0.0 0.0 0.0 x_fact 13.780161 y_fact 25.898123
4 "作物学报" 0.0 0.0 0.0 x_fact 13.351206 y_fact 25.361930
5 "园艺学报" 0.0 0.0 0.0 x_fact 4.557641 y_fact 12.815013
6 "中国蔬菜" 0.0 0.0 0.0 x_fact 1.823056 y_fact 3.699732
7 "上海农业学报" 0.0 0.0 0.0 x_fact 6.327078 y_fact 9.329759
*Matrix 
0.000000 0.327914 0.389385 0.486786 0.594392 0.356345 0.556693 
0.327914 0.000000 0.552016 0.625875 0.000000 0.000000 0.324886 
0.389385 0.552016 0.000000 0.833577 0.308484 0.215624 0.415512 
0.486786 0.625875 0.833577 0.000000 0.000000 0.000000 0.387599 
0.594392 0.000000 0.308484 0.000000 0.000000 0.568879 0.561983 
0.356345 0.000000 0.215624 0.000000 0.568879 0.000000 0.531997 
0.556693 0.324886 0.415512 0.387599 0.561983 0.531997 0.000000