*Vertices 4
1 "计算力学学报" 0.0 0.0 0.0 x_fact 0.679117 y_fact 6.451613
2 "声学学报" 0.0 0.0 0.0 x_fact 0.679117 y_fact 38.370119
3 "振动与冲击" 0.0 0.0 0.0 x_fact 9.507640 y_fact 39.388795
4 "振动工程学报" 0.0 0.0 0.0 x_fact 5.093379 y_fact 15.789474
*Matrix 
0.000000 0.000000 0.000000 0.000000 
0.000000 0.000000 0.000000 0.245819 
0.000000 0.000000 0.000000 0.299664 
0.000000 0.245819 0.299664 0.000000