*Vertices 4
1 "植物生态学报" 0.0 0.0 0.0 x_fact 3.222041 y_fact 6.724259
2 "生态学报" 0.0 0.0 0.0 x_fact 10.273173 y_fact 22.600981
3 "应用生态学报" 0.0 0.0 0.0 x_fact 15.339715 y_fact 55.311697
4 "生态学杂志" 0.0 0.0 0.0 x_fact 11.090357 y_fact 15.363063
*Matrix 
0.000000 0.743601 0.431743 0.719230 
0.743601 0.000000 0.579327 0.829566 
0.431743 0.579327 0.000000 0.685245 
0.719230 0.829566 0.685245 0.000000