*Vertices 4
1 "固体火箭技术" 0.0 0.0 0.0 x_fact 7.159353 y_fact 13.856813
2 "航空动力学报" 0.0 0.0 0.0 x_fact 6.004619 y_fact 20.554273
3 "宇航学报" 0.0 0.0 0.0 x_fact 6.466513 y_fact 18.937644
4 "推进技术" 0.0 0.0 0.0 x_fact 10.623557 y_fact 46.651270
*Matrix 
0.000000 0.240188 0.398070 0.703465 
0.240188 0.000000 0.231622 0.493246 
0.398070 0.231622 0.000000 0.453061 
0.703465 0.493246 0.453061 0.000000