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?????, ????????? ?????? ???? ?????? ?????????? ???? ?????? ??? ???, ????????? ?????? ????? ??????? ???? ?????????? ????? ????? ?????? ??? ???-??? ?????? ??? ??? ????. ???-??? ????? ???????? ??? ??? (??? 3?? ??? ?? ??????? ???? ?????? ?????? ??). ???????? ???? ????????, ??? ?? ??? ???-??? ?????? ??? M30 ?????? ?????? ???? ??? ??. ???-??? ????? ???? ??, ??? ??????????? ??? ?????????? ????? ?????, ??? ?? ??? ?????????? ????? ????? ?? ?? ?? ???????? ????? ?????. ??? ?????????? ????? ??? ???????? ?????????? ???? ??. ??????? ???-??? ????? ???? ???? ?? ?????.

??????, φ300 ?????? ????? ?????????? 16 ? ????? ??? ????? ????? ???????? ?? ???? ??? ????? ???? ??? ????????? ??-?????????? ?????? ?????? ??? ?? ??? ???? ??? ?? ???????? ????? ????????, ????? ???? ??? ????????? ????? ???? ????? ??????. ???????? ??????????????, ??-?????????? ?? ?????? ????? ??? ??? ?????? ???? ??? ?? ???????? ????? ????????, ??-?????????? ?????? ????? ?????? ??? ??? ??? ????? ???? ?????? ???? ??? ????? ????.

???????? ?????? ???????, ?????? ?????? ??????? ?? ?????? ??????????????? ???? ?? ????? ????? ?????? ?????? ????????, ????? ?????????????, ?????? ????? ??. ??? ??????? ??????? ???? ???, ??????? ???? ????????? ????? ??????, ??? ??? ????? ??????????? ????????? ??? ????????.