??? ????? ??? ?????? ????????? ???? ?? ???????? ? ??? ?????? ??????? ????? « ???? ?????? »?? ???? ??? ??? ??? ????????? ?? ???? ???? ???? ?????? ?? ????? ?? ????? ????? ???? ???? ???? ???? ????.???? ????? ? ???? ????? ???? ( ?????? Gentle is calculated with two major alternate sets of models: radiometry is made up of measurements of light electri