.
2.11 ,
, , .
, , .
: - .
3 :
) ( ). .
2.12
L = l + l+l+l (2.6)
l , ;
l,l,l , , , .
L = 1250 + 2400 + 1900 + 2700 = 9350
:
J=L/V*0,06(2.7)
V , /.
:
V=NL/Nt(2.8)
NL ;
Nt .
V = 
/
J= 
8 .
) ( ) .
2.13
L = l + l + l+ l (2.9)
l , .
L = 1250 + 100 + 2400 + 1900 = 5650
(2.7)
J= 
6 .
) ( ) .
2.14
L = l + l + l + l (2.10)
l , .
L = 1250 + 100 + 1250 + 2400 = 5000
(2.7)
J= 
5 .
8 .
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