*Vertices 3
1 "焊接学报" 0.0 0.0 0.0 x_fact 4.044944 y_fact 30.337079
2 "中国机械工程" 0.0 0.0 0.0 x_fact 1.797753 y_fact 38.426966
3 "电焊机" 0.0 0.0 0.0 x_fact 13.258427 y_fact 31.235955
*Matrix 
0.000000 0.000000 0.594347 
0.000000 0.000000 0.000000 
0.594347 0.000000 0.000000