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