sign digit

基本解释

The extra digit obliged the national debt clock near New York’s Times Square to move its dollar sign to make room.
位於紐約時代廣場的國債鍾也不得不挪掉美元符號，騰出空間來表達多出的數位。
Based on sign digit negabinary representation, the two step addition and one step subtraction of arbitrary length operands can be performed.
基於符號數字負二進制表達，提出了任意字長操作數的竝行兩步加法與一步減法。
This will cause scarcely a ripple in the market, given Nokia's single-digit share, but is another sign that Symbian's decline may be more abrupt than Nokia has hinted.
考慮到諾基亞諾基亞公司個位數的市場份額，這難以導致市場的波動。但是這也標志著Symbian也許會比諾基亞公司所暗示的衰退的更突然。

Nonetheless the lower figure was a sign that the central leadership now sees heedless double-digit growth as a threat to stability, not a guarantee of it.
ECONOMIST: Pedalling prosperity
Though 2012 was a comparatively difficult year for the mainland China luxury market, which only mustered single-digit growth, purchases by Chinese tourist-shoppers outside of China indicated that demand has shown little sign of diminishing.
FORBES: Which Luxury Brands Really 'Get' Digital Marketing In China?