*Vertices 3
1 "环境化学" 0.0 0.0 0.0 x_fact 8.960573 y_fact 13.261649
2 "环境科学学报" 0.0 0.0 0.0 x_fact 13.978495 y_fact 33.333333
3 "环境科学" 0.0 0.0 0.0 x_fact 22.222222 y_fact 53.405018
*Matrix 
0.000000 0.817466 0.925397 
0.817466 0.000000 0.755048 
0.925397 0.755048 0.000000