???????? ????????? ??????? ???????? ?????????? ?????-??????????? ????????? ?????? ?????????? ????? ?????? ????? ????? ?????? ???????? ????????? ??? ???????? ????????? ????????????? ?????? ????????? ?????? ?????? ???????? ??? ?????????? ????? ?????????? ????????? ?????.

　　???????? ?????? ???????????? ???????? ???????? ???????? ???????? ?????????? ?? ???????? ????????? ??????? ???????? ???????? 13 ?????? ????? ???????? ?????? ????????? ????? ????? ?????????? ????????. ????? ??? ?????? 4000 ??? ?????? ???????? ??????? ????? ??? ????? ?????? ??????? 1800 ???????????? ???????? ????? ??? ?? 15 ??? 600 ???????????? ???????? ??????? ????? ????????? ????? ????????????? ????????? ????? ??? ????? ???? ?????? ????? ??????????? ????? ?????? ????? ????????? ?????? ??????? ??????? Mbps220 ???? ????? ????????? ?????? ??????? ??????? Mbps45 ??? ????? ????????? ????? ??? (G4 ??G5) ????????? ?????????? ????????? ????? ?????????????? ???? ??????? ????????? ?????? ?????? ???????? ?????????? ????????? ?????? ?????? ?????????? ?????? ????????? ???????? ??????? ??????????? ???????? ???????? ????? ??????????.

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