For example, the number of elements in the list.

比方说链表中的元素个数。

麻省理工公开课 - 计算机科学及编程导论课程节选

Atoms of different elements combine in simple whole number ratios to form compounds.

不同元素的原子,以简单的整数比化合成化合物。

麻省理工公开课 - 固态化学导论课程节选

On the other hand, we've seen n that if the size of a is n, that's to say, we have n elements to choose from, then the number of possible subsets is 2 to the n.

另一方面，我们看到,如果a集合的大小是，也就是说我们有n个元素可供选择，而可能的子集的元素,个数就是2的n次方。

麻省理工公开课 - 计算机科学及编程导论课程节选

I bet there are people in this room who know the lyrics to over 1,000 songs, NBA know the number of every individual in the National Basketball Association, so I think that learning some subset of elements is not unreasonable.

我敢打赌这个房间里有那么些人,他们能记得住超过1000首歌的歌词，记得住,每个人的号码，因此我认为,能记住这些元素也不是不可能的。

麻省理工公开课 - 固态化学导论课程节选

Whatever the n number is, with the exception of helium, helium is the oddity because there's only two elements in n equals one shell.

无论n是多少，除了氦之外，氦是个特例,因为只有两个元素,在n为1的这一层。

麻省理工公开课 - 固态化学导论课程节选