*Vertices 4
1 "中国农业科学" 0.0 0.0 0.0 x_fact 16.697761 y_fact 40.111940
2 "作物学报" 0.0 0.0 0.0 x_fact 15.018657 y_fact 41.417910
3 "大豆科学" 0.0 0.0 0.0 x_fact 2.425373 y_fact 8.208955
4 "中国油料作物学报" 0.0 0.0 0.0 x_fact 5.037313 y_fact 10.261194
*Matrix 
0.000000 0.815510 0.256226 0.479269 
0.815510 0.000000 0.237372 0.495017 
0.256226 0.237372 0.000000 0.398844 
0.479269 0.495017 0.398844 0.000000