*Vertices 6
1 "土壤学报" 0.0 0.0 0.0 x_fact 3.057554 y_fact 10.191847
2 "中国农业科学" 0.0 0.0 0.0 x_fact 38.249400 y_fact 44.244604
3 "作物学报" 0.0 0.0 0.0 x_fact 6.115108 y_fact 16.007194
4 "土壤通报" 0.0 0.0 0.0 x_fact 8.752998 y_fact 12.829736
5 "土壤肥料" 0.0 0.0 0.0 x_fact 2.877698 y_fact 4.856115
6 "植物营养与肥料学报" 0.0 0.0 0.0 x_fact 8.213429 y_fact 11.870504
*Matrix 
0.000000 0.000000 0.000000 0.794683 0.444480 0.636121 
0.000000 0.000000 0.947453 0.000000 0.000000 0.324482 
0.000000 0.947453 0.000000 0.000000 0.000000 0.372668 
0.794683 0.000000 0.000000 0.000000 0.740451 0.855857 
0.444480 0.000000 0.000000 0.740451 0.000000 0.731972 
0.636121 0.324482 0.372668 0.855857 0.731972 0.000000