subbase
/suhb-beys/US // ˈsʌbˌbeɪs //UK // (ˈsʌbˌbeɪs) //
底层基础,基地,底层基地,基层
Definitions
n.名词 noun
- 1
- : Architecture. the lowest part of a base, as of a column, that consists of two or more horizontal members.
- : Mathematics. a collection of subsets of a topological space having the property that every open set of a given topology can be written as the union of intersections of finite numbers of sets in the collection.Compare base.
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