*Vertices 4
1 "建筑结构学报" 0.0 0.0 0.0 x_fact 0.340136 y_fact 20.408163
2 "中国铁道科学" 0.0 0.0 0.0 x_fact 13.605442 y_fact 40.136054
3 "铁道学报" 0.0 0.0 0.0 x_fact 4.081633 y_fact 26.530612
4 "铁道科学与工程学报" 0.0 0.0 0.0 x_fact 8.163265 y_fact 12.925170
*Matrix 
0.000000 0.000000 0.000000 0.261175 
0.000000 0.000000 0.559305 0.661851 
0.000000 0.559305 0.000000 0.532607 
0.261175 0.661851 0.532607 0.000000