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2011 1 .

sini6Hinative""

2011 1 .

sinisana4Hinative"".

sinisitu7Hinative"".

cosi ,sini=?i

.

n=sini/sinr ir i90,sini <1 n sinr<1 sinr1/n C .

5OA (n'/n) *R sinI' = sinU I' = U 4 I = U' 6 OA' = (n/n')*R .

2011 1 .