*Vertices 9
1 "给水排水" 0.0 0.0 0.0 x_fact 4.251208 y_fact 9.468599
2 "中国给水排水" 0.0 0.0 0.0 x_fact 8.260870 y_fact 13.864734
3 "中国环境科学" 0.0 0.0 0.0 x_fact 4.009662 y_fact 6.183575
4 "环境科学研究" 0.0 0.0 0.0 x_fact 4.782609 y_fact 5.845411
5 "环境科学学报" 0.0 0.0 0.0 x_fact 5.314010 y_fact 7.922705
6 "环境科学" 0.0 0.0 0.0 x_fact 6.908213 y_fact 11.111111
7 "上海环境科学" 0.0 0.0 0.0 x_fact 9.661836 y_fact 12.801932
8 "环境污染治理技术与设备" 0.0 0.0 0.0 x_fact 15.845411 y_fact 19.371981
9 "城市环境与城市生态" 0.0 0.0 0.0 x_fact 10.241546 y_fact 13.429952
*Matrix 
0.000000 0.840444 0.000000 0.000000 0.297522 0.234495 0.486740 0.365371 0.529903 
0.840444 0.000000 0.314265 0.268494 0.436708 0.438963 0.646702 0.569898 0.614445 
0.000000 0.314265 0.000000 0.914227 0.811293 0.817589 0.641275 0.794752 0.622155 
0.000000 0.268494 0.914227 0.000000 0.822696 0.860240 0.604085 0.805101 0.651912 
0.297522 0.436708 0.811293 0.822696 0.000000 0.786667 0.686076 0.888509 0.679159 
0.234495 0.438963 0.817589 0.860240 0.786667 0.000000 0.686471 0.862907 0.654600 
0.486740 0.646702 0.641275 0.604085 0.686076 0.686471 0.000000 0.811713 0.732125 
0.365371 0.569898 0.794752 0.805101 0.888509 0.862907 0.811713 0.000000 0.754850 
0.529903 0.614445 0.622155 0.651912 0.679159 0.654600 0.732125 0.754850 0.000000