3 = 2 + r gh 2,
h 2 3. 1 3 (15),
. (16)
(16) g. h 2 , 12. 12, .. , , 2, , . 3, 2¢-3¢ 2-3, g .
1-2, ( 2-4 ). , 4-5, , g.
, 2, , . (. 3) D 0 = 3 2 = r gh 2, h 2 , , . , , h 2 t 0, , h 2 . , Y () Y 0 0, Y 0 .
Y () Y 0 0 (. 4).
h 2t = f (t) . ,
h 2t = h 2exp(- k t), (17)
k const, h 2t h 2 t 0.
(17):
.
. . , h 2 h 1, h 2 h 1,
. (18)
. h 2 / h 1 (. 5)
t 0.
(16) :
. (19)
1. , .
2. , . . t 0, , , h 2 / h 1.
3. g (19).
4. g , i .
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5. .
1. , 20¸25 . 12 , ( ). L 1 L 2, L 1 L 2 = h 1τ.
2. , (. . 1) t = 2 . 2 . , . 13 , , l1 l2 = = h 2t.
3. , t = 2, 4, 6, 8, 10 . 3 .
4. .