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1991?? 1???? ??????? 1994?? ??????? ?? 2000?? 3???? ???????? ?????? ?????????? ???? ???? ?????.
???? ?? ???????? ??????? ???????? ??????? ???? ??? ?? ????? ???? ????, ?????? RF????? ??????????, ???????, ??????? ???? ????, ?????? LED???? ????? ??????? ????.
??? ???? 11???? ?????? ??????? ???? ????? RF????? 5G ????? ???? ???? ?????? ????? ??.
??o : ??????????