*Vertices 8
1 "土壤学报" 0.0 0.0 0.0 x_fact 2.486034 y_fact 7.094972
2 "中国农业科学" 0.0 0.0 0.0 x_fact 7.932961 y_fact 14.245810
3 "作物学报" 0.0 0.0 0.0 x_fact 4.776536 y_fact 11.033520
4 "园艺学报" 0.0 0.0 0.0 x_fact 1.089385 y_fact 5.391061
5 "土壤通报" 0.0 0.0 0.0 x_fact 6.927374 y_fact 9.525140
6 "土壤肥料" 0.0 0.0 0.0 x_fact 2.011173 y_fact 2.849162
7 "植物营养与肥料学报" 0.0 0.0 0.0 x_fact 6.340782 y_fact 9.022346
8 "应用生态学报" 0.0 0.0 0.0 x_fact 8.743017 y_fact 40.837989
*Matrix 
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0.203621 0.000000 0.834241 0.295835 0.217759 0.284688 0.467217 0.000000 
0.000000 0.834241 0.000000 0.000000 0.000000 0.000000 0.352886 0.000000 
0.000000 0.295835 0.000000 0.000000 0.000000 0.000000 0.277541 0.000000 
0.784371 0.217759 0.000000 0.000000 0.000000 0.854007 0.811254 0.270184 
0.458150 0.284688 0.000000 0.000000 0.854007 0.000000 0.725598 0.000000 
0.627538 0.467217 0.352886 0.277541 0.811254 0.725598 0.000000 0.269013 
0.219490 0.000000 0.000000 0.000000 0.270184 0.000000 0.269013 0.000000