sub-

基本解释

The waste water was piped up from the sub-stations to the central station for cleaning.
污水通过管道从分站向上输送到总站去净化。
That may have some sub-parts to it, but everything we do is going to be about economic recovery.
这个优先重点可能会有一些附带的问题，但我们所做到一切都将是为了经济复苏。
On sub-2TB disks, this partition should span the entire disk; on larger disks, it should be 2TB in size.
在低于 2TB 的磁盘上，这个分区将扩展到整个磁盘；在更大的磁盘上，它的大小为 2TB。

In sub-Saharan Africa, the area hardest hit by AIDS, for every person who gets treated, two others go untreated.
The notion here is that you can get a globally optimal solution from locally optimal solutions to sub-problems.
这里的概念是你可以通过,子问题的局部最优方案,得到全局优化解决方案。
麻省理工公开课 - 计算机科学及编程导论课程节选
Having done that, it goes back up and picks the second sub-list, which came from there. It's a down to base case, merges it.
就是从那里得来的,完成这些后,回到上一步。
麻省理工公开课 - 计算机科学及编程导论课程节选

True, the leg-work is usually sub-contracted to Russians, including shadowy figures still on the state payroll.
ECONOMIST: Western man’s burden

Sub- is used at the beginning of words that have "under" as part of their meaning.
Sub- is added to the beginning of nouns in order to form other nouns that refer to things that are part of a larger thing.
Sub- is added to the beginning of adjectives in order to form other adjectives that describe someone or something as inferior, for example inferior to normal people or to normal things.

“下”,“亚”,“次”,“逊”,“低”：subchloride, suboxide [亦作 su-,suc-,suf-,sug-,sum-,sup-,sur-,sus-]
“碱性”,“碱式”：subacetate