*Vertices 5
1 "给水排水" 0.0 0.0 0.0 x_fact 6.874329 y_fact 18.474758
2 "中国给水排水" 0.0 0.0 0.0 x_fact 14.500537 y_fact 26.960258
3 "中国环境科学" 0.0 0.0 0.0 x_fact 4.726101 y_fact 9.559613
4 "环境科学" 0.0 0.0 0.0 x_fact 7.841031 y_fact 17.185822
5 "环境污染治理技术与设备" 0.0 0.0 0.0 x_fact 19.978518 y_fact 27.819549
*Matrix 
0.000000 0.841146 0.000000 0.224045 0.383224 
0.841146 0.000000 0.290167 0.429214 0.604886 
0.000000 0.290167 0.000000 0.782651 0.749794 
0.224045 0.429214 0.782651 0.000000 0.838643 
0.383224 0.604886 0.749794 0.838643 0.000000