*Vertices 4
1 "植物生态学报" 0.0 0.0 0.0 x_fact 6.127451 y_fact 11.939776
2 "生态学报" 0.0 0.0 0.0 x_fact 23.879552 y_fact 49.684874
3 "应用生态学报" 0.0 0.0 0.0 x_fact 14.810924 y_fact 29.866947
4 "生态学杂志" 0.0 0.0 0.0 x_fact 6.582633 y_fact 8.508403
*Matrix 
0.000000 0.765827 0.725584 0.815316 
0.765827 0.000000 0.783407 0.889707 
0.725584 0.783407 0.000000 0.879496 
0.815316 0.889707 0.879496 0.000000