.1. s s. .
.2. 50, -02, -2 EQVOTIP . , . .
.3. , , . 1-2% . , , . , .
Ra = 2 , .
.4. . . . 15 , .
.5. L ( )
L = L 0 + 2,21(D / S - 12,7). (K.1)
D/S = 12,7, L = L 0,
| L 0 | , ; |
| D | , ; |
| S | , . |
.6. s s0,2 ( ) :
s = 9,55[149 + 1,22(2,8×10-6×L3 - 3×10-3×L2 + 1,797 L - 275,125) - 12,22], /2; (.2)
s0,2 = K ×1,22(2,8×10-6×L3 - 3×10-3× L 2 + 1,797 L - 275,125), /2, (.3)
K = 0,2 .
.7. ( 5 ).
.8. -2 s , .
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