subset

• n. [数] 子集；子设备；小团体

词态变化

中文词源

sub-,分支，分部，分，set,套，组，集。

英文词源

subset (n.)

also sub-set, "subordinate set," 1897, originally in mathematics, from sub- + set (n.1).

双语例句

1. Each subset is determined by some occurrence of these three events.

每一个子集,由这三种事件出现的情况而决定.

来自辞典例句

2. A subset S of a ring A is a subring of A.

环A的子集S叫作A的子环.

来自辞典例句

3. This would enable the production of subset catalogues by subject.

这将使按主题编制子集合目录成为可能.

来自辞典例句

4. The null subset corresponds to the term 1.

空集则对应于常数项1.

来自辞典例句

5. A cut of a tree is a subset of its nodes with the following two properties.

一颗树的切割是此树具有以下两个性质的节点子集.

来自辞典例句