?? ????? ??? ????? ?????? ?? ??? ??????? ? ?? ????? ?????? ??? ????? ?????? ???? ???? ??? ???????? ? ?? ?? ??? ????? ????? ?? ????? ????? ????? ???? ?? ????? ??? ???????? . ???? ????? ?? ??? ??? ????? ?? ??????, ???? ???????? ??? ????? ??? threshold ?? ??????? ?????. ???????? ?????? ?????? ??????. ????? ???????| estão ????? ??????? | st