*Vertices 2
1 "力学学报" 0.0 0.0 0.0 x_fact 3.389831 y_fact 64.406780
2 "力学季刊" 0.0 0.0 0.0 x_fact 18.644068 y_fact 35.593220
*Matrix 
0.000000 0.776114 
0.776114 0.000000