*Vertices 5
1 "土壤学报" 0.0 0.0 0.0 x_fact 7.710652 y_fact 20.826709
2 "土壤" 0.0 0.0 0.0 x_fact 18.998410 y_fact 29.809221
3 "Pedosphere" 0.0 0.0 0.0 x_fact 5.007949 y_fact 19.793323
4 "土壤通报" 0.0 0.0 0.0 x_fact 15.500795 y_fact 22.893482
5 "土壤肥料" 0.0 0.0 0.0 x_fact 4.292528 y_fact 6.677266
*Matrix 
0.000000 0.802829 0.425604 0.784762 0.450829 
0.802829 0.000000 0.517338 0.739757 0.555325 
0.425604 0.517338 0.000000 0.214159 0.000000 
0.784762 0.739757 0.214159 0.000000 0.859561 
0.450829 0.555325 0.000000 0.859561 0.000000