identity element

英 [aɪˈdentəti ˈelɪmənt]

美 [aɪˈdentəti ˈelɪmənt]

恒等（单位）元素；幺元（素）

计算机

英英释义

noun

• an operator that leaves unchanged the element on which it operates
  1. the identity under numerical multiplication is 1
  Synonym:identityidentity operator

双语例句

• If we consider the integers with ordinary multiplication we have closure, associativity, and identity element.
  如果我们考虑整数集且用通常的乘法，我们有封闭性，可结合性，和一个单位元。
• It uses a sophisticated identity matcher to generate keys that are then matched up between the models so the element IDs can be migrated forward.
  它利用精密的身份匹配器来产生在稍后的模型中可以匹配的关键元素，这样以来这些元素ID就可以向前移动。
• With user session identity as row and users 'accessing page as column, user session matrix can be formed whose element is user access interest degree.
  以用户会话标识为行，用户访问的网页为列，构造用户会话矩阵，矩阵元素为用户访问兴趣度。
• Since blocks are often defined as a single sector, the terms` block 'and` sector' are sometimes used interchangeably. In other words, F respects addition, multiplication and identity element.
  单元和扇区有时互换使用。换言之，F保持加，乘法和单位元。
• The identity element of arbitrary cyclic code over GF ( 2) can be found out by use of this method.
  应用这种方法可以求得任意GF（2）上循环码的单位元。
• Our work can not only function as the basic identity but also serve a good element of surroundings, highlighting the feature of architecture and upgrading the image of the architecture.
  体现的不仅仅是最基本的标识告知作用，更能美化环境，彰显建筑物的特色，提升建筑物的品位和档次。
• Identity element and generator polynomial are two different generators of the ideal.
  循环码单位元和生成函数可生成理想的不同生成元。
• A#_ σ H is an associative algebra with identity element 1_A# 1_H if and only if the following two conditions are satisfied: 1. A is a twisted H-module.
  x所在的类，且得到了交叉积AσH是一个单位元为1A1H的结合代数的充要条件：1.A是扭H-模。
• Further study of the identity of incompatible displacement element and generalized hybrid element
  关于非协调位移元与广义杂交元的等价性的进一步研究
• The paper points out that the identity and stability of thermal bimetal element is the key to improve the quality of low voltage apparatus product. It introduces the methods to control the stability of thermal bimetal element and quality control measures in the process of assembling units.
  指出了解决热双金属元件的一致性和稳定性是提高低压电器产品质量的关键，介绍了控制热双金属元件稳定性的方法，及在元件装配过程中的质量控制方法。