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.

youdao

在二进制中，数字组合“10”的数值为二，“二进制”就是根据这个数值来命名的。

In the binary system, the digit combination 10 has the value two, which is where the word binary comes from.

youdao

这个数字组合和直径宽系列的数字表示尺寸方案。

The combination of the width series number and the diameter series number indicates the dimensional series.

youdao

This is a game where you get a little plastic device, it's got 15 plastic numbers on it and one hole in this little plastic board and you can move those numbers up, down, left to right, and the goal is to take what's a random assortment of tiles and arrange them in numeric order and that's one of these little things you can play sort of absentmindedly.

在这个游戏中，你会拿到一个可塑的装置，上面有15个数字和一个孔,你可以将数字上下移动，左右移动，目标就是,拿到一个随机的组合后,将其按数字顺序排列,这个你可以随便玩玩。

哈佛公开课 - 计算机科学课程节选