*Vertices 4
1 "材料保护" 0.0 0.0 0.0 x_fact 18.732394 y_fact 38.309859
2 "表面技术" 0.0 0.0 0.0 x_fact 19.295775 y_fact 33.521127
3 "电镀与精饰" 0.0 0.0 0.0 x_fact 10.704225 y_fact 13.380282
4 "电镀与环保" 0.0 0.0 0.0 x_fact 10.000000 y_fact 14.788732
*Matrix 
0.000000 0.816058 0.989215 0.933807 
0.816058 0.000000 0.835302 0.775210 
0.989215 0.835302 0.000000 0.970754 
0.933807 0.775210 0.970754 0.000000