*Vertices 4
1 "土壤学报" 0.0 0.0 0.0 x_fact 7.315522 y_fact 19.592875
2 "土壤" 0.0 0.0 0.0 x_fact 14.122137 y_fact 26.145038
3 "土壤通报" 0.0 0.0 0.0 x_fact 10.941476 y_fact 16.221374
4 "生态学报" 0.0 0.0 0.0 x_fact 4.452926 y_fact 38.040712
*Matrix 
0.000000 0.892040 0.834147 0.205403 
0.892040 0.000000 0.741351 0.000000 
0.834147 0.741351 0.000000 0.370557 
0.205403 0.000000 0.370557 0.000000