*Vertices 3
1 "核动力工程" 0.0 0.0 0.0 x_fact 6.217617 y_fact 37.823834
2 "辐射防护" 0.0 0.0 0.0 x_fact 3.108808 y_fact 26.424870
3 "核科学与工程" 0.0 0.0 0.0 x_fact 5.181347 y_fact 35.751295
*Matrix 
0.000000 0.000000 0.247727 
0.000000 0.000000 0.000000 
0.247727 0.000000 0.000000