*Vertices 5
1 "给水排水" 0.0 0.0 0.0 x_fact 8.098988 y_fact 20.247469
2 "中国给水排水" 0.0 0.0 0.0 x_fact 14.398200 y_fact 27.446569
3 "环境科学学报" 0.0 0.0 0.0 x_fact 5.849269 y_fact 11.923510
4 "环境科学" 0.0 0.0 0.0 x_fact 8.886389 y_fact 18.672666
5 "上海环境科学" 0.0 0.0 0.0 x_fact 14.398200 y_fact 21.709786
*Matrix 
0.000000 0.847097 0.312795 0.239523 0.504573 
0.847097 0.000000 0.417120 0.419091 0.642592 
0.312795 0.417120 0.000000 0.754282 0.636971 
0.239523 0.419091 0.754282 0.000000 0.652253 
0.504573 0.642592 0.636971 0.652253 0.000000