*Vertices 5
1 "爆炸与冲击" 0.0 0.0 0.0 x_fact 1.360544 y_fact 14.512472
2 "爆破器材" 0.0 0.0 0.0 x_fact 7.029478 y_fact 10.657596
3 "爆破" 0.0 0.0 0.0 x_fact 12.244898 y_fact 48.752834
4 "火工品" 0.0 0.0 0.0 x_fact 2.040816 y_fact 8.163265
5 "工程爆破" 0.0 0.0 0.0 x_fact 9.297052 y_fact 17.913832
*Matrix 
0.000000 0.222369 0.000000 0.000000 0.235729 
0.222369 0.000000 0.518638 0.601535 0.609500 
0.000000 0.518638 0.000000 0.000000 0.694206 
0.000000 0.601535 0.000000 0.000000 0.000000 
0.235729 0.609500 0.694206 0.000000 0.000000