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subset 中文

EN[ˈsʌbˌsɛt]
US
子集合 子集
  • 子集,為某個集合中一部分的集合,故亦稱部分集合。
  • 若X和Y为集合,且X的所有元素都是Y的元素,则有:
  • X是Y的子集(或称包含于Y);
  • X ⊆ Y;
  • Y是X的父集/超集(或称包含X);
  • Y ⊇ X.
  • 所有集合Y都是其本身的子集。 不等于Y的Y的子集称为真子集。 若X是Y的真子集,则写作X ⊊ Y。 "是……的子集"的关系称为包含。
subset
subset

    Definition of subset in English Dictionary

  • 名词 (Noun)PLsubsetsPREsub-
    1. (set theory) With respect to another set, a set such that each of its elements is also an element of the other set.
      1. The set of integers is a subset of the set of reals.
      2. The set {a, b} is a both a subset and a proper subset of {a, b, c} while the set {a, b, c} is a subset of {a, b, c} but not a proper subset of {a, b, c}.
    2. A group of things or people, all of which are in a specified larger group.
      1. We asked a subset of the population of the town for their opinion.
  • 更多范例
    1. 用于句中
      • In Principal Component Analysis FOBA (PCA FOBA), PCA was used transductively to select a subset of features (PCA features) and FoBa was used to fit a model.
      • Recent advances in surgical resection and combination therapy have significantly improved the 5 year survival for a subset of patients with oligometastatic disease.
      • The effect of the two VBFs on balance was studied through classical postural parameters and a subset of stabilogram diffusion coefficients.
  • 词类阶层 (Part-of-Speech Hierarchy)
    1. 語素
      • 字首
        • 字首词
          • Words prefixed with sub-
      • 名词
        • 可数名词
      相关连结:
      1. en subsets
      2. en subsetted
      3. en subsetting
      4. en subset classifier
      资料来源: 维基词典

      Meaning of subset for the defined word.

      在语法上,这个单字"subset"是一个語素,更具体地来说,是一个字首。它同时也是一个名词,更具体地来说,是一个可数名词
      困难度: 级别 8
      12345678910
      容易     ➨     困难
      明确性: 级别 3
      12345678910
      明确的    ➨     多用途
      0.121