*Vertices 3
1 "中国环境科学" 0.0 0.0 0.0 x_fact 12.751678 y_fact 23.042506
2 "环境科学学报" 0.0 0.0 0.0 x_fact 16.107383 y_fact 36.241611
3 "环境科学" 0.0 0.0 0.0 x_fact 19.686801 y_fact 40.715884
*Matrix 
0.000000 0.787018 0.853413 
0.787018 0.000000 0.805934 
0.853413 0.805934 0.000000