*Vertices 7
1 "给水排水" 0.0 0.0 0.0 x_fact 10.309278 y_fact 18.247423
2 "中国给水排水" 0.0 0.0 0.0 x_fact 5.154639 y_fact 12.422680
3 "环境科学学报" 0.0 0.0 0.0 x_fact 7.835052 y_fact 16.391753
4 "环境科学" 0.0 0.0 0.0 x_fact 4.742268 y_fact 10.412371
5 "工业水处理" 0.0 0.0 0.0 x_fact 11.958763 y_fact 18.556701
6 "水处理技术" 0.0 0.0 0.0 x_fact 8.556701 y_fact 11.649485
7 "环境污染治理技术与设备" 0.0 0.0 0.0 x_fact 9.484536 y_fact 12.319588
*Matrix 
0.000000 0.854506 0.211747 0.282208 0.575500 0.585953 0.631033 
0.854506 0.000000 0.224267 0.302524 0.596069 0.601557 0.659510 
0.211747 0.224267 0.000000 0.726145 0.333452 0.341076 0.579078 
0.282208 0.302524 0.726145 0.000000 0.391288 0.393039 0.774626 
0.575500 0.596069 0.333452 0.391288 0.000000 0.848738 0.699506 
0.585953 0.601557 0.341076 0.393039 0.848738 0.000000 0.713036 
0.631033 0.659510 0.579078 0.774626 0.699506 0.713036 0.000000