, . | ||||||
2-4 | 5-6 | 7-9 | 10-19 | 20-29 | 30-40 | |
1: 50 000 1: 100 000 |
. 74 , 6 . , , (, ) .
' . , , , (, ) ( ).
. 42.
. 42 , (, ) :
∆h = tg (, );
∆h = sin (, ).
2-00, ,
sin = tg =0,001 . ∆h = 0,001, . 5 %.
.
. ' :
= 1100 = 2-20 , h= 900 ;
= 1950 ( ) = 2-60.
.
г: 1. :
∆h = sin = 1100 (0,228) = 251 .
, . ∆h = h +∆h,
h=h∆h = 900 (251) = 1151 .
2. :
∆h = tg= 1950 (-0,279) = 544 .
h = h + ∆h = 1151 + (544) = 607 .
. = 4000 = 1-50. h = 940 .
.
г: 1. : ∆h = tg =4000 (-0,156) = 624 ∆h = 0,001 =
= (1-50) 4 = 600 , 5%- ∆h= (600+ 30) =
= 630 .
2. ( ) :
|
|
;
;
( ).
( ) :
,
E ;
E ;
E .
:
=120'/2 = 0-00,56/2,
120" (0-00,56) ( , );
Ö .
, : 8", -2 6", -1 (-0,9) 5", -2 3" 6". .
. , , , 0-00,1 ( ).
"" ( ) .
, , :
∆ = 0tgα,
∆ ;
0 ;
α .
, , . 75.
. 75 , , , , , . , , , , , , .
75