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汉语拼音：zǐ jí

集合论的基本概念之一。如果集a的任一元素都是集b的元素，则称集a为集b的一个子集，记作a羈或b耡，读作a包含于b”或b包含a”。如果a是b的子集，且b中至少含有一个不属于a的元素，则称a是b的真子集”，记作a糱或b絘。任一集合都是它本身的子集，空集是任何集合的子集。

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

  环A的子集S叫作A的子环.

• 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.

• The subsets in a partition are called cells.

  划分中的各子集被称为单元.

• 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.

• From the point of view of Hilbert space sets of measure 0 are negligible.

  从希耳伯特空间的观点看来,测度为0的子集是可以省略的.

• A subset of possible encodings are presented in the Encoding submenu.

  出现在编码菜单中的可选编码子集.

• A subset of contributors have made their contributions available as public domain.

  阿贡献者子集已使他们的贡献为可用的公共领域.

• The cut - off bits mask should be subset of the info bit mask.

  截止位掩码应是信息位掩码的子集.

• By experiment study, the uncertainty coefficient is proved reasonable and viable.

  实验表明, 特征子集的不确定性系数作为特征选择度量是合理和可行的.

• The printed documentation is a subset of what is available online.

  印刷文档是可用的在线文献的子集.

• All other sets are subsets of the universal set.

  所有其他集合都是全集的子集.

• These correlations standards all are the subsets of Web service standard.

  这些相关的规范都是Web服务规范的子集.

• The equal sign allows for less strict improper subsets and supersets.

  等于号允许非严格定义的子集和超集.

• Argument: So Love is a subset of the set of Like?

  辩君: 所以你认为爱是喜欢的子集?

• NET Compact Framework provides a unified programming model for building message - oriented applications.

  NET精简框架实现了WCF的子集,为构建面向消息的应用程序提供了统一的编程模型.