identity element中文什么意思

单位元素

恒等元素

全同门

全同元件

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同一元素

幺元

• identity:    n. 1.同一，一致；同一性。 2. ...
• element:    n. 1.要素；成分；(构成)部分； ...
• adjunction of an identity element:    单位元的附加

例句与用法

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1. But the results above all base on the fact that semigroups have identity elements . thus it is relatively has certain confinement
   但以上的结果都建立在半群含有单位元的这个基础上，这相对就有一定的局限性。
2. A kind of probability sample in which a set interval is applied to a list often population to identity elements included in the sample ( e . g . , picking every 10th name )
   一种概率抽样.以一定的间隔来从人口名单中抽取所需的样本(如:每隔10个人抽取一次)
3. In order to break the confinement , in this paper we manage to study semidirect products of semigroups regardless of identity elements . that is , we get rid of the especially important condition that semigroups have identity elements
   为了突破这一局限性，本文就力争在一般的半群上研究其半直积，即去掉单位元这个特别重要的条件。
4. By describing semidirect products and structures and congruences , we can manage to obtain some structures and congruences on this kind of semigroup . it is under the condition that semigroups have identity elements that most of researches on semidirect products
   因此我们可以通过去刻划半群的半直积及其结构与同余，来刻划这类半群的某些结构特点及其上的同余。

英文释义

名词

1. an operator that leaves unchanged the element on which it operates; "the identity under numerical multiplication is 1"
   同义词：identity, identity operator

百科释义

In mathematics, an identity element (or neutral element) is a special type of element of a set with respect to a binary operation on that set. It leaves other elements unchanged when combined with them.