*Vertices 5
1 "膜科学与技术" 0.0 0.0 0.0 x_fact 9.391304 y_fact 31.130435
2 "化工环保" 0.0 0.0 0.0 x_fact 3.304348 y_fact 5.217391
3 "工业水处理" 0.0 0.0 0.0 x_fact 24.869565 y_fact 48.000000
4 "水处理技术" 0.0 0.0 0.0 x_fact 5.739130 y_fact 12.347826
5 "环境污染与防治" 0.0 0.0 0.0 x_fact 2.434783 y_fact 3.304348
*Matrix 
0.000000 0.000000 0.269859 0.498194 0.239077 
0.000000 0.000000 0.781810 0.560310 0.873803 
0.269859 0.781810 0.000000 0.737526 0.809504 
0.498194 0.560310 0.737526 0.000000 0.817762 
0.239077 0.873803 0.809504 0.817762 0.000000