???? ???? ?????????? ??? ???????? ?????? ???????? ?????? ??????????????? ??? ?? ?????????? ???????R&D????????????? ???? ?????? ?? ???? ?????? ?? ???? ?? ??????? ?? ??????????????.?????? ???????????, ???? ?????? ???????? ???????? ??? ????.'??????'?? ?? ...?????????? ???? '???? ?????? ?? ???????? ???????? ???? ??????????????????? ?? ??? ?? ???? ?????