*Vertices 5
1 "焊管" 0.0 0.0 0.0 x_fact 1.609195 y_fact 8.045977
2 "金属学报" 0.0 0.0 0.0 x_fact 1.379310 y_fact 31.724138
3 "焊接学报" 0.0 0.0 0.0 x_fact 11.494253 y_fact 34.022989
4 "焊接" 0.0 0.0 0.0 x_fact 5.287356 y_fact 9.195402
5 "焊接技术" 0.0 0.0 0.0 x_fact 12.183908 y_fact 17.011494
*Matrix 
0.000000 0.000000 0.000000 0.000000 0.483995 
0.000000 0.000000 0.000000 0.000000 0.253313 
0.000000 0.000000 0.000000 0.859961 0.686798 
0.000000 0.000000 0.859961 0.000000 0.751833 
0.483995 0.253313 0.686798 0.751833 0.000000