*Vertices 3
1 "非金属矿" 0.0 0.0 0.0 x_fact 1.030928 y_fact 65.979381
2 "化肥工业" 0.0 0.0 0.0 x_fact 7.216495 y_fact 15.463918
3 "煤化工" 0.0 0.0 0.0 x_fact 2.061856 y_fact 18.556701
*Matrix 
0.000000 0.437404 0.000000 
0.437404 0.000000 0.395956 
0.000000 0.395956 0.000000