*Vertices 5
1 "土壤学报" 0.0 0.0 0.0 x_fact 7.563025 y_fact 24.229692
2 "土壤" 0.0 0.0 0.0 x_fact 17.507003 y_fact 27.450980
3 "土壤通报" 0.0 0.0 0.0 x_fact 18.067227 y_fact 27.591036
4 "土壤肥料" 0.0 0.0 0.0 x_fact 4.061625 y_fact 8.683473
5 "自然资源学报" 0.0 0.0 0.0 x_fact 1.680672 y_fact 12.044818
*Matrix 
0.000000 0.702442 0.824519 0.443410 0.000000 
0.702442 0.000000 0.845031 0.521011 0.251938 
0.824519 0.845031 0.000000 0.688666 0.000000 
0.443410 0.521011 0.688666 0.000000 0.000000 
0.000000 0.251938 0.000000 0.000000 0.000000