*Vertices 3
1 "纯碱工业" 0.0 0.0 0.0 x_fact 4.545455 y_fact 21.590909
2 "航空学报" 0.0 0.0 0.0 x_fact 0.000000 y_fact 32.954545
3 "宇航材料工艺" 0.0 0.0 0.0 x_fact 5.681818 y_fact 45.454545
*Matrix 
0.000000 0.000000 0.000000 
0.000000 0.000000 0.000000 
0.000000 0.000000 0.000000