*Vertices 3
1 "给水排水" 0.0 0.0 0.0 x_fact 27.255278 y_fact 56.813820
2 "中国给水排水" 0.0 0.0 0.0 x_fact 10.556622 y_fact 37.619962
3 "上海环境科学" 0.0 0.0 0.0 x_fact 3.071017 y_fact 5.566219
*Matrix 
0.000000 0.852695 0.694375 
0.852695 0.000000 0.629907 
0.694375 0.629907 0.000000