我们必须改变我们的数字组规格两次。
一种字段,如帐号,由一基数和一个检验数字组成。
A field such as an account consisting of a base number and a check digit.
信用卡号,13或16位数字组成的字符串,包括一个校验位。
The card number, a thirteen - or sixteen-digit string with a check digit.
但是,他选的数字组合中了彩。他赢得了头奖,获得了一笔巨额奖金。
But his combination of Numbers was chosen and he won the lottery.
在任何给定时刻,对于系统上的所有文件而言,这个数字组合都应该是惟一的。
This pair should be, at any given time, unique for each file on a system.
在任何给定时刻,对于系统上的所有文件而言,这个数字组合都应该是惟一的。
This pair should be, at any given time, unique for each file on a system.
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