*Vertices 6
1 "土壤学报" 0.0 0.0 0.0 x_fact 5.683269 y_fact 16.219668
2 "土壤" 0.0 0.0 0.0 x_fact 13.090677 y_fact 21.775223
3 "土壤通报" 0.0 0.0 0.0 x_fact 16.858238 y_fact 22.796935
4 "土壤肥料" 0.0 0.0 0.0 x_fact 5.044700 y_fact 6.960409
5 "植物营养与肥料学报" 0.0 0.0 0.0 x_fact 9.067688 y_fact 15.197957
6 "农业环境科学学报" 0.0 0.0 0.0 x_fact 8.620690 y_fact 17.049808
*Matrix 
0.000000 0.792129 0.787460 0.476873 0.645892 0.494480 
0.792129 0.000000 0.748352 0.583621 0.517638 0.504206 
0.787460 0.748352 0.000000 0.872873 0.830804 0.556632 
0.476873 0.583621 0.872873 0.000000 0.707654 0.533566 
0.645892 0.517638 0.830804 0.707654 0.000000 0.399011 
0.494480 0.504206 0.556632 0.533566 0.399011 0.000000