U 1

U 2

U 3

U 4

( U 1 U 2 U 3 U 4 ) 1 4

优先级权重

C I = λ max n n 1 0.10

U 1

1

1

5

5

2.236

0.417

4.001 4 4 1 < 0.1

U 2

1

1

5

5

2.236

0.417

U 3

1/5

1/5

1

1

0.447

0.083

U 4

1/5

1/5

1

1

0.447

0.083