*Vertices 5
1 "机械传动" 0.0 0.0 0.0 x_fact 4.830421 y_fact 7.605344
2 "机械设计" 0.0 0.0 0.0 x_fact 10.688592 y_fact 16.341213
3 "机械科学与技术" 0.0 0.0 0.0 x_fact 16.135663 y_fact 25.385406
4 "机械工程学报" 0.0 0.0 0.0 x_fact 8.838643 y_fact 22.610483
5 "中国机械工程" 0.0 0.0 0.0 x_fact 9.660843 y_fact 28.057554
*Matrix 
0.000000 0.653068 0.668641 0.626604 0.484694 
0.653068 0.000000 0.815170 0.590220 0.657606 
0.668641 0.815170 0.000000 0.744315 0.675787 
0.626604 0.590220 0.744315 0.000000 0.597172 
0.484694 0.657606 0.675787 0.597172 0.000000