*Vertices 6
1 "现代铸铁" 0.0 0.0 0.0 x_fact 5.985915 y_fact 8.714789
2 "特种铸造及有色合金" 0.0 0.0 0.0 x_fact 5.633803 y_fact 19.366197
3 "热加工工艺" 0.0 0.0 0.0 x_fact 7.482394 y_fact 11.443662
4 "中国铸造装备与技术" 0.0 0.0 0.0 x_fact 8.362676 y_fact 10.387324
5 "铸造" 0.0 0.0 0.0 x_fact 13.556338 y_fact 28.257042
6 "铸造技术" 0.0 0.0 0.0 x_fact 16.637324 y_fact 21.830986
*Matrix 
0.000000 0.350362 0.643279 0.791803 0.789198 0.784502 
0.350362 0.000000 0.578609 0.648557 0.694202 0.704953 
0.643279 0.578609 0.000000 0.717045 0.784348 0.761207 
0.791803 0.648557 0.717045 0.000000 0.892675 0.946326 
0.789198 0.694202 0.784348 0.892675 0.000000 0.929682 
0.784502 0.704953 0.761207 0.946326 0.929682 0.000000