1、 B j B j F x x r = 10 x r r x B j B j F = 11 4.6 系数方程 ( ) ( ) + = + = + + + + = 3000 , 10 15 . 273 15 . 273 1 . 17 3000 2000 , 10 1000 2000 693 . 20 381 . 67 2000 0 , 10 120 15 . 273 120 15 . 291 15 . 297 15 . 273 27 . 18 6 66 . 0 6 6 5 . 1 T T T T T T T 12 + = = = 7000 , 21 . 237 1000 7000 64 . 940
2、 7000 6000 , 1000 6000 21 . 237 6000 0 , 0 T T T T T 13 + = + = + = + = + = + = 10000 , 39 . 5405 1000 10000 17 . 4211 10000 9000 , 56 . 4902 1000 9000 83 . 502 9000 7000 , 9 . 17598 1000 7000 20 . 6348 7000 5000 , 25 . 2891 1000 5000 84 . 7353 5000 4000 , 77 . 1382 1000 4000 48 . 1508 4000 0 , 00 .
3、 1009 1000 44 . 93 T T T T T T T T T T T T c p 14 + = + = + = + = + = + = + = = ， ， 10000 10 76 . 160 1000 10000 00 . 69 10000 9000 10 39 . 171 1000 9000 63 . 10 9000 7000 , 10 82 . 524 1000 7000 72 . 176 7000 5000 , 10 26 . 68 1000 5000 28 . 228 5000 1000 , 10 68 . 6 1000 1000 40 . 15 1000 300 , 10 29 . 4 100 300 34 . 0 300 100 , 10 ) 73 . 2 100 100 78 . 0 ( 100 0 , 10 73 . 2 2 2 2 2 2 2 2 2 T T T T T T T T T T T T T T T 15
