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2. , " ", . .
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3. , , .
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:
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1. , :
- ( , ), (, ),
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(/), (, Unit) /.
1 = 1 S/c = 60 S/ = 60106/ = 6107 , S
, , , /×, /×, /, / ..
, , 1 50 , 50 / 1 ,
2. , , , , 25 37, .
3. , .
( ) , , :