*Vertices 3
1 "中国机械工程" 0.0 0.0 0.0 x_fact 1.908397 y_fact 75.190840
2 "工程设计学报" 0.0 0.0 0.0 x_fact 6.870229 y_fact 8.396947
3 "建筑结构" 0.0 0.0 0.0 x_fact 0.000000 y_fact 16.412214
*Matrix 
0.000000 0.435864 0.000000 
0.435864 0.000000 0.857143 
0.000000 0.857143 0.000000