??? ???? ???? ?? ?????, ????? ???? ?????? ??? ????? ??? ????? ????? ???. ????? ????? ????? ????? ?? ????? ????

??????, ?? ?????? ??????? ????? ???? ???? ± 0.0003 ??, ???? ??, ?????? ???? ???? ????? ????? ???? ????.

??? ????? 1.0??-1.5?? (0.04"---0.06")

???? ???? ???? ?? ???? ???? ????? ???? ? ????? ?????? ????? ???? ??? ????? ???? ????

??? ??? ???;

??????? ???- ??? ????-?????? ??? ????-???? → ??? ??? ??? → ???? → ???? → ??? → ??? → ????-???? → ???? → ????

????? ???? ??: ???? → ???? ???? (????? ??? ?? ??? ???? ????) → ???? ??? → ???? → ???? → ?????

????? ????? ??? ??? ??? ? ?? ??? ? ????? ?? ???? ???? ?????? ???? ???? ????? ????-??? ???? ?? ????? ????? ?????? ???? ??? ? ???? ??? ?? ????? ????? ???? ???? ?