*Vertices 7
1 "给水排水" 0.0 0.0 0.0 x_fact 5.680473 y_fact 18.816568
2 "中国环境科学" 0.0 0.0 0.0 x_fact 8.165680 y_fact 13.609467
3 "环境科学" 0.0 0.0 0.0 x_fact 8.284024 y_fact 19.408284
4 "上海环境科学" 0.0 0.0 0.0 x_fact 2.485207 y_fact 3.431953
5 "环境保护科学" 0.0 0.0 0.0 x_fact 8.402367 y_fact 8.757396
6 "环境污染治理技术与设备" 0.0 0.0 0.0 x_fact 24.378698 y_fact 33.136095
7 "城市环境与城市生态" 0.0 0.0 0.0 x_fact 2.011834 y_fact 2.840237
*Matrix 
0.000000 0.280300 0.336318 0.510688 0.530897 0.527423 0.402551 
0.280300 0.000000 0.809186 0.483707 0.751798 0.828996 0.477615 
0.336318 0.809186 0.000000 0.459108 0.717325 0.787771 0.454141 
0.510688 0.483707 0.459108 0.000000 0.915888 0.733420 0.871860 
0.530897 0.751798 0.717325 0.915888 0.000000 0.849619 0.851794 
0.527423 0.828996 0.787771 0.733420 0.849619 0.000000 0.581087 
0.402551 0.477615 0.454141 0.871860 0.851794 0.581087 0.000000