. . . 5
.
. (79-81),
()
:
DDD-0.5 L DDD-1 DDD-1 L DDD-2 DDD-2 L DDD-3
( 14 15 ),
, :
">
'. ,
, .
,
"
, ,
- -
".
, R = 57,3 / i, tg
"=2
tg
’ DDD = L / 4
(80),
()
) :
i = 458,4 (D
d )
L
-2
,
0
/. (88)
( 15),
(±
DDD )
- ()
.
, , ,
,
,
.
L
1
= DDD-1 -
DDD-1 . 15
(
1
<
0
), .
1-0
= - (
0
-
1
)
1-0
=
(
1
0
) =
0
1
. (89)