*Vertices 5
1 "给水排水" 0.0 0.0 0.0 x_fact 16.666667 y_fact 30.540541
2 "中国给水排水" 0.0 0.0 0.0 x_fact 7.207207 y_fact 19.909910
3 "中国环境科学" 0.0 0.0 0.0 x_fact 5.675676 y_fact 12.072072
4 "环境科学" 0.0 0.0 0.0 x_fact 8.738739 y_fact 18.648649
5 "环境污染治理技术与设备" 0.0 0.0 0.0 x_fact 13.873874 y_fact 18.828829
*Matrix 
0.000000 0.853245 0.225350 0.283368 0.636194 
0.853245 0.000000 0.216607 0.290846 0.654121 
0.225350 0.216607 0.000000 0.790206 0.626390 
0.283368 0.290846 0.790206 0.000000 0.793485 
0.636194 0.654121 0.626390 0.793485 0.000000