
????? ?? ??? ???? ?? ??????? ???(???19) ???? ?? ??? ?? ??? ‘???’ ??? ????.
3?(????) ?? ?? ?? ??? ??? ??? ???? ‘???’ ??? ???? ?? ???? ???19 ????? ????? ???.
‘???’ ??? ?? ????? “??? ??? ? ??? ???19 ?? ??? ?? ??? ??? ?? ???? ??”?? ????, ??? ??? ???? ??? ?????? ????.
??? ???? ????? ??? ?? ???, ?? ?? ?? ‘??’? ????. ‘?????’ ‘????’ ??? ?? ????.
(??=??1)