() , . 7.4, (. 7.6).
1 = /2 2 = /2 . R , :
,
. 7.6. () ()
.
1 = 2 = i 1 i 2 , R
.
, R , , . 7.7.
. 7.7. ''
,
= SR ; β = / ; R , (7.4).
β ,
. (7.5)
R R1 R R2, , R = R1 = R2 = R . (7.5)
, (7.6)
R R .
, = 0.
, = 0. , (7.6), R .
, ( .) ( . = 1 2) , . 7.8. ,
. 7.8.
, :
,
= R K /2R , = SR K,
, (7.7)
, (7.8)
. (7.9)
(7.7), (7.8) (7.9) , , , . . .
, , .
..
|
|
, (7.10)
, .. R . R . R (), .