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    1. subset

      英 ['s?bset] 美['s?bs?t]
      • n. [數(shù)] 子集;子設(shè)備;小團(tuán)體

      暢通詞匯

      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(yǔ)例句


      1. Each subset is determined by some occurrence of these three events.
      每一個(gè)子集,由這三種事件出現(xiàn)的情況而決定.

      來(lái)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(lái)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(lái)自辭典例句

      4. The null subset corresponds to the term 1.
      空集則對(duì)應(yīng)于常數(shù)項(xiàng)1.

      來(lái)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(gè)性質(zhì)的節(jié)點(diǎn)子集.

      來(lái)自辭典例句