*Vertices 6
1 "土壤学报" 0.0 0.0 0.0 x_fact 1.914894 y_fact 6.303191
2 "中国农业科学" 0.0 0.0 0.0 x_fact 2.686170 y_fact 8.696809
3 "中国生态农业学报" 0.0 0.0 0.0 x_fact 3.111702 y_fact 3.617021
4 "植物营养与肥料学报" 0.0 0.0 0.0 x_fact 3.324468 y_fact 5.877660
5 "生态学报" 0.0 0.0 0.0 x_fact 10.239362 y_fact 30.957447
6 "应用生态学报" 0.0 0.0 0.0 x_fact 13.989362 y_fact 44.547872
*Matrix 
0.000000 0.208874 0.594825 0.644944 0.235624 0.240300 
0.208874 0.000000 0.544096 0.419440 0.000000 0.000000 
0.594825 0.544096 0.000000 0.692030 0.684659 0.629193 
0.644944 0.419440 0.692030 0.000000 0.000000 0.285264 
0.235624 0.000000 0.684659 0.000000 0.000000 0.562618 
0.240300 0.000000 0.629193 0.285264 0.562618 0.000000