???? ?÷??? ????α? ????? ?????? ??? ?÷??? ????α? ????? ???? ?????? ????? ????? ??? ??? ????? ????? ??????븦 ??????
??????.
?±?? ??? ????? ???????? ????? ??? ??????, ?±??? ?츮???? ??¡??? ???????? ????? ????? ???????? ?????????
??????????? ????? ??¡??? ??????.