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单词	identity element
释义	identity element noun : an element (such as 0 in the set of all integers under addition or 1 in the set of positive integers under multiplication) that leaves any element of the set to which it belongs unchanged when combined with it by a specified operation Example Sentences Recent Examples on the Web Individually examining each identity element alone when onboarding a new customer is often ineffective, as all the pieces of information provided may be technically valid. Robert Mckay, Forbes, 18 May 2021 For example, the identity element in the group must be assigned the identity matrix. Quanta Magazine, 9 June 2020 The real numbers have an identity element — the number 1. Quanta Magazine, 9 June 2020 Word History First Known Use 1902, in the meaning defined above
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英语词典包含469781条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。