*Vertices 3
1 "爆炸与冲击" 0.0 0.0 0.0 x_fact 1.673640 y_fact 22.594142
2 "流体力学实验与测量" 0.0 0.0 0.0 x_fact 5.439331 y_fact 11.715481
3 "推进技术" 0.0 0.0 0.0 x_fact 0.418410 y_fact 65.690377
*Matrix 
0.000000 0.517533 0.000000 
0.517533 0.000000 0.287587 
0.000000 0.287587 0.000000