*Vertices 4
1 "火炸药学报" 0.0 0.0 0.0 x_fact 9.470752 y_fact 37.325905
2 "兵工学报" 0.0 0.0 0.0 x_fact 1.949861 y_fact 5.571031
3 "固体火箭技术" 0.0 0.0 0.0 x_fact 10.027855 y_fact 21.448468
4 "推进技术" 0.0 0.0 0.0 x_fact 2.228412 y_fact 35.654596
*Matrix 
0.000000 0.254779 0.235989 0.000000 
0.254779 0.000000 0.271228 0.000000 
0.235989 0.271228 0.000000 0.664906 
0.000000 0.000000 0.664906 0.000000