subsubsequence造句
例句與造句
- It is almost trivial to prove that the product of two sequentially compact spaces is sequentially compact one passes to a subsequence for the first component and then a subsubsequence for the second component.
- One can then extract a subsubsequence on which the second coordinates converge, and so on, until in the end we have passed from the original sequence to a subsequence n times & mdash; which is still a subsequence of the original sequence & mdash; on which each coordinate sequence converges, hence the subsequence itself is convergent.
- It's difficult to find subsubsequence in a sentence. 用subsubsequence造句挺難的