*Vertices 2
1 "植物生态学报" 0.0 0.0 0.0 x_fact 10.163934 y_fact 34.754098
2 "西北植物学报" 0.0 0.0 0.0 x_fact 28.196721 y_fact 65.245902
*Matrix 
0.000000 0.467741 
0.467741 0.000000