??? ???? ????+????(????)+?????[??!] - ???? ??? ???? ????, ???? ????? ???? ????? ?? ??? : ??????? ??? ????? ??? ??? ?????? ??? ??? ????? ???????? ???????. ? ????? ??? ????, ???? ???? ??? ??? ????????? ???????? ??? ????????? ???? ???? ??? ?? ???? ? ????? ??? ?? ??? ???? ????.??? ?? ?? ?? ?????? ??????? ??? ??? ?? ??? ????Agreement for Variation (CFD)