*Vertices 7
1 "给水排水" 0.0 0.0 0.0 x_fact 9.781576 y_fact 20.322887
2 "中国给水排水" 0.0 0.0 0.0 x_fact 12.440646 y_fact 28.584995
3 "中国环境科学" 0.0 0.0 0.0 x_fact 7.502374 y_fact 11.870845
4 "环境科学研究" 0.0 0.0 0.0 x_fact 6.267806 y_fact 9.116809
5 "环境科学" 0.0 0.0 0.0 x_fact 8.072175 y_fact 16.999050
6 "环境工程" 0.0 0.0 0.0 x_fact 7.977208 y_fact 9.686610
7 "上海环境科学" 0.0 0.0 0.0 x_fact 2.659069 y_fact 3.418803
*Matrix 
0.000000 0.722542 0.344055 0.278535 0.356553 0.723953 0.657855 
0.722542 0.000000 0.427840 0.272655 0.367861 0.647459 0.908133 
0.344055 0.427840 0.000000 0.874346 0.821816 0.729098 0.468483 
0.278535 0.272655 0.874346 0.000000 0.751047 0.700514 0.349543 
0.356553 0.367861 0.821816 0.751047 0.000000 0.703059 0.393794 
0.723953 0.647459 0.729098 0.700514 0.703059 0.000000 0.698633 
0.657855 0.908133 0.468483 0.349543 0.393794 0.698633 0.000000