???????????????? ???????????? ?????????? ????,???? ???????? ???? ???? ?? ?? ?????? ???? ???????????????? ?????? ?? ?????????????? ?? ?????????? ???????? ???????? ???? ?????????? ??? ???????? ???? ???? ???? ???????? ???? ???????????????? ?? ???? ????????????? ?? ?????????? ?? ???????????? ???“INSTALL_RECOVERY_ENVIRONMENT ?? ????? ???? SAFE_OS ????