*Vertices 4
1 "系统仿真学报" 0.0 0.0 0.0 x_fact 1.850220 y_fact 16.387665
2 "计算机工程" 0.0 0.0 0.0 x_fact 10.572687 y_fact 24.933921
3 "计算机工程与应用" 0.0 0.0 0.0 x_fact 10.660793 y_fact 55.242291
4 "航空计算技术" 0.0 0.0 0.0 x_fact 2.555066 y_fact 3.436123
*Matrix 
0.000000 0.000000 0.000000 0.658196 
0.000000 0.000000 0.692531 0.634893 
0.000000 0.692531 0.000000 0.515679 
0.658196 0.634893 0.515679 0.000000