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