???? ???? ?????????? ??? ???????? ?????? ???????? ?????? ??????????????? ??? ?? ?????????? ???????R&D???????????????? ??, ??, ???? ???????????? ?·??? ?????????? ???? ???????????? ??????.???? ?? ???? ?? ???????? ????? ????. ????????, ??????, ???, ?? ??? ?????????????????, ?? ?????? ???? ?? ?? ????????(??).??????????????‘????????????????. ??? ?? ?