前两位数字为有效数字，后一位数字表示零的个数。
The first two digits are significant, and the third digit is number of zeros.
顺便说一下，应该告诉那些研究y 2k的人您省略了年份的前两位数。
By the way, don't tell the Y2K folks we're ignoring the first two digits of a four-digit year.
就在几周前，民调票数显示泰迪斯科领先于墨菲两位数。
Just a few weeks ago, polls showed Mr Tedisco with a double-digit lead over Mr Murphy.
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