*Vertices 3
1 "环境科学" 0.0 0.0 0.0 x_fact 6.818182 y_fact 46.363636
2 "上海环境科学" 0.0 0.0 0.0 x_fact 16.363636 y_fact 45.909091
3 "环境保护科学" 0.0 0.0 0.0 x_fact 5.909091 y_fact 7.727273
*Matrix 
0.000000 0.589608 0.702270 
0.589608 0.000000 0.904424 
0.702270 0.904424 0.000000