*Vertices 8
1 "给水排水" 0.0 0.0 0.0 x_fact 5.062413 y_fact 12.552011
2 "中国给水排水" 0.0 0.0 0.0 x_fact 9.916782 y_fact 17.961165
3 "中国环境科学" 0.0 0.0 0.0 x_fact 3.606103 y_fact 6.726768
4 "环境科学研究" 0.0 0.0 0.0 x_fact 4.715673 y_fact 6.241331
5 "环境科学" 0.0 0.0 0.0 x_fact 6.171983 y_fact 12.205270
6 "上海环境科学" 0.0 0.0 0.0 x_fact 10.818308 y_fact 15.325936
7 "环境污染与防治" 0.0 0.0 0.0 x_fact 6.241331 y_fact 6.588072
8 "重庆环境科学" 0.0 0.0 0.0 x_fact 19.556172 y_fact 22.399445
*Matrix 
0.000000 0.843083 0.000000 0.000000 0.226716 0.492954 0.600123 0.422399 
0.843083 0.000000 0.286134 0.237327 0.428407 0.646012 0.680385 0.552544 
0.000000 0.286134 0.000000 0.898319 0.784913 0.581001 0.722368 0.715796 
0.000000 0.237327 0.898319 0.000000 0.832351 0.531792 0.750125 0.782452 
0.226716 0.428407 0.784913 0.832351 0.000000 0.638049 0.809809 0.830771 
0.492954 0.646012 0.581001 0.531792 0.638049 0.000000 0.885175 0.824269 
0.600123 0.680385 0.722368 0.750125 0.809809 0.885175 0.000000 0.958077 
0.422399 0.552544 0.715796 0.782452 0.830771 0.824269 0.958077 0.000000