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(1) ????????? ???????? ????? ?????? ???? ??, ???? ?????? ??, ??????????? ?????? ??? ???????????? ????? ?????. ????????? ???, ?????? ?????? 3.5mm*3.5mm ???? 3.5mm*4.5mm ??????????? ??????? ??? ????? ????? (????? ????? ??? ?????). ????? ????? ????? ????? ??????, ???? ???? ???????????? ?? ???? ???? ???? ??? ????? ?????? ??.

(2) ????????? ??????? ???? ?????, ????????? ???????? ???????? (????? ??????? ?????). ??? ?????? ????? ???? ????? ???? ??? ??? ??????? ??????? ?? ???, ????? ??? ??????? ?????? ??????? ??? ?? ?????.

(3) ????? ??????? ????? ???????? ?????????? ????? ????, ???? ???????????? ??????????? ?????? ???? ?????? (??? ????? ???????? ??????? ?????) ??????? ?? ??. ??? ????? ?????? ????? ??? ???????? ??? ????? ?????; ???? ????? ??? ????????, ???? ???? ?? ??? ????????.

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