*Vertices 4
1 "高分子材料科学与工程" 0.0 0.0 0.0 x_fact 4.258944 y_fact 30.494037
2 "合成橡胶工业" 0.0 0.0 0.0 x_fact 9.028961 y_fact 20.102215
3 "橡胶工业" 0.0 0.0 0.0 x_fact 12.436116 y_fact 30.153322
4 "弹性体" 0.0 0.0 0.0 x_fact 13.458262 y_fact 19.250426
*Matrix 
0.000000 0.288832 0.221366 0.501779 
0.288832 0.000000 0.725506 0.774338 
0.221366 0.725506 0.000000 0.761400 
0.501779 0.774338 0.761400 0.000000