2
-
:
;
, :- 1620; ; ; 40 80 , 200 300 ; ; 1620.
- . . , , , .
, . , , . , (), , , . , , .
.
P =Ph/n
Ph ;
n .
:
30 × h4,5 1,5-6H/6g-LH
30 ×Ph4,51,5 ( ) - 6H/6g-LH.
( ), , 4,5 - 1,5 , (LH).
= Ph.
() , ..
" = Ph /n,
n .
1" = 25,4 ( 1" = 25,39998 ).
, ( ), . pa, z d (. 1) :
Paz = πd,
πd ,
d = paz/π
pa π (), ..
m=pa/π
d = mz, .
, , , .
d=mz , . , , z da.
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1-
, h1 = m,
d =d+2h1 = zm + 2m = m(z + 2),
m= da/(z + 2), .
. ( ) , , 1" , ..
= z/d = 2π/t"z = π/t", -1
, . .
= π/t"-1
m = pa/π, .
, t" = pa/25,4 ,
pa=π∙ 25,4/ ;
a =πm, . , :
m=25,4/π, ; =25,4/m, -1
P - . u , . , . .
1 / .
:
1 ∙uconst ∙u ∙u ∙u = / ,
uconst ( , );
u ();
u ;
u ;
, ; , .
, , : uconst=1. z = 60 z = 45 , , VII 60/60.
. VII VIII u = 30 / 45, , u =30/25∙25/45.
, , .
.
1620 . :
K/L∙L/N= 40/86∙86 /64
. , (. 2), . 29 , 30 27 .
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2- 1620.
z=40, z=86,z=86 z=64, , 11 19 1 z=36,z=44, z=4, z =57, z =60, z = 73. , (. 2), z = 66; z= 54; z = 52; z = 46. , z = 60, z = 72, z= 54, z = 56, z = 80, z = 80,z = 127.
1620 , (. 2). , .
, , . , .