*Vertices 5
1 "腐蚀科学与防护技术" 0.0 0.0 0.0 x_fact 6.624606 y_fact 13.249211
2 "材料保护" 0.0 0.0 0.0 x_fact 20.662461 y_fact 42.744479
3 "腐蚀与防护" 0.0 0.0 0.0 x_fact 10.725552 y_fact 17.507886
4 "电镀与精饰" 0.0 0.0 0.0 x_fact 9.621451 y_fact 12.460568
5 "电镀与环保" 0.0 0.0 0.0 x_fact 9.936909 y_fact 14.037855
*Matrix 
0.000000 0.495296 0.688287 0.234982 0.295177 
0.495296 0.000000 0.792734 0.765335 0.908923 
0.688287 0.792734 0.000000 0.558624 0.641250 
0.234982 0.765335 0.558624 0.000000 0.940559 
0.295177 0.908923 0.641250 0.940559 0.000000