*Vertices 3
1 "水资源保护" 0.0 0.0 0.0 x_fact 8.459215 y_fact 13.293051
2 "中国给水排水" 0.0 0.0 0.0 x_fact 6.042296 y_fact 48.640483
3 "环境科学" 0.0 0.0 0.0 x_fact 4.833837 y_fact 38.066465
*Matrix 
0.000000 0.684302 0.554234 
0.684302 0.000000 0.272914 
0.554234 0.272914 0.000000