???????? ???????? ??????????(“????????????????????? ?????? ?????? ???????? ???? ???????? ?????? ?? ?????????????? ??, ?????????? ???? ?? ???? ???????????? ???? ?? ?? ???????? ????'(??)??'???????? ???????? ?? ??(?? ?? ???? ?????? ????, ?? ????, ???? ????? ???? ?? ?? ???? ???? ?? ???? ?????? ??????“INSTALL_RECOVERY_ENVIRONMENT ?? ????? ???? SAFE