*Vertices 4
1 "工程热物理学报" 0.0 0.0 0.0 x_fact 5.343511 y_fact 24.809160
2 "航空学报" 0.0 0.0 0.0 x_fact 3.625954 y_fact 10.877863
3 "航空动力学报" 0.0 0.0 0.0 x_fact 12.977099 y_fact 32.633588
4 "推进技术" 0.0 0.0 0.0 x_fact 8.396947 y_fact 31.679389
*Matrix 
0.000000 0.000000 0.356588 0.000000 
0.000000 0.000000 0.342652 0.307274 
0.356588 0.342652 0.000000 0.552433 
0.000000 0.307274 0.552433 0.000000