*Vertices 5
1 "土壤学报" 0.0 0.0 0.0 x_fact 6.341463 y_fact 19.756098
2 "土壤" 0.0 0.0 0.0 x_fact 15.121951 y_fact 26.178862
3 "土壤通报" 0.0 0.0 0.0 x_fact 19.756098 y_fact 27.317073
4 "土壤肥料" 0.0 0.0 0.0 x_fact 5.528455 y_fact 7.967480
5 "植物营养与肥料学报" 0.0 0.0 0.0 x_fact 10.975610 y_fact 18.780488
*Matrix 
0.000000 0.791291 0.787342 0.475683 0.644607 
0.791291 0.000000 0.745349 0.578810 0.515364 
0.787342 0.745349 0.000000 0.873623 0.831762 
0.475683 0.578810 0.873623 0.000000 0.714737 
0.644607 0.515364 0.831762 0.714737 0.000000