subset
英['s?bset]
美['s?bs?t]
- n. [數(shù)] 子集；子設(shè)備；小團(tuán)體
詞態(tài)變化
復(fù)數(shù):?subsets;
中文詞源
subset 分組，子集
sub-,分支，分部，分，set,套，組，集。
英文詞源
- subset (n.)
- also sub-set, "subordinate set," 1897, originally in mathematics, from sub- + set (n.1).
雙語例句
- 1. Each subset is determined by some occurrence of these three events.
- 每一個子集,由這三種事件出現(xiàn)的情況而決定.
來自辭典例句
- 2. A subset S of a ring A is a subring of A.
- 環(huán)A的子集S叫作A的子環(huán).
來自辭典例句
- 3. This would enable the production of subset catalogues by subject.
- 這將使按主題編制子集合目錄成為可能.
來自辭典例句
- 4. The null subset corresponds to the term 1.
- 空集則對應(yīng)于常數(shù)項1.
來自辭典例句
- 5. A cut of a tree is a subset of its nodes with the following two properties.
- 一顆樹的切割是此樹具有以下兩個性質(zhì)的節(jié)點子集.
來自辭典例句