, , , , , , , (, 3-5 ). , . , , , , . , . , , , , . , , .
, . . , .
. 20.
632 4.
, , , . , . , . , , . . .
1. . ,
(, ,
).
, . . 17.9
,
N = 12. , ,
: ,
()
N 2%. ,
,
,
. ( ,
, ,
.
,
, ,
.)
|
|
2. .
,
. , ,
,
, (
),
. . 17.10
, N = 12
6-
.
.
17. : 633
17.9.
:
J92 Jul Aug Sap Oct Nov Dec J93 Fb Mar Apr May Jun Jul Sap
: , S N 12; (), (S) = N 12 2%- 12- .
3. . . , . , (thrust days) , *.
. 17.11 , N = 12, , -
, . 6, () () .
634 4.
17.10.
: