Cumulative incremental backup on the other hand, backs up all the blocks used since the most recent backup at level n-1 or lower.

另一方面，累积增量备份将备份自最近在级别n - 1或更低级别上进行备份以后使用的所有数据块。

youdao

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。

youdao

N the young, on the one hand, often think of the old conservative. On the other hand, the old always consider the young inexperience.

n一方面，青年人常认为老年人保守；另一方面，老年人总是认为青年人没有经验。

youdao

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