I ()
II , , , , .. s-p .
( ) ( .. , . , , ). , .
23. . , , . .
t t: t < t , t = t , t > t .
, (4.7)
; (4.8)
(4.9)
s1 s2 s z, s y, t yz. :
; (4.10)
. (4.11)
(4.12)
(4.12) , . ( ) ...
24.
( , ) : 1-, , . 2- , , .
;
z =0, .. ,
:
.
. .. . .
, , , , .
, (1920-1921):
|
|
.
, , ( , , , , , ..). , . , , , , . :
- , , ;
- ( , );
- ( , , );
;
- , , ( , ..).
., - . , : ., . , . , . . , .. , .. , .. . :
1) ;
2) . (7.1): k st = tg φ / tg φ' = / ', (7.1)
φ, - , ;
φ', ' - , .
(. 6),
23 :
) ;
) , ;
) .
(6.11):
k st ≥ k st, (6.11)
k st - , (6.10) . 1,11,3.
φ 0, =0, . , ( 23, ).
, , '. f = tg φ, (7.2):
= sin α; ' = cos α tg φ; ≤ ', (7.2)
: tg α ≤ tg φ α ≤ φ, (7.3)
, , .
|
|
. (7.3) (7.4):
α ≤ φ', (7.4)
, . α . , (7.1), (7.4) (7.5):
tg φ' = tg φ / k st; α = arctg (tg φ / k st), (7.5)
:
k st = tg φ / tg α, (7.6)
k st ≥ k st .
, . (7.5) k st k st:
α = arctg (tg φ / k st), (7.7)