*Vertices 3
1 "力学学报" 0.0 0.0 0.0 x_fact 0.000000 y_fact 24.626866
2 "实验力学" 0.0 0.0 0.0 x_fact 10.447761 y_fact 34.328358
3 "爆炸与冲击" 0.0 0.0 0.0 x_fact 3.731343 y_fact 41.044776
*Matrix 
0.000000 0.208979 0.000000 
0.208979 0.000000 0.259058 
0.000000 0.259058 0.000000