英语词汇perfect number怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	perfect number
释义	perfect numbern.Mathematics（名词）【数学】 A positive integer that is equal to the sum of its integral factors, including 1 but excluding itself.完全部：一种整数，包括1在内但本身除外的所有因子和等于它本身
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英汉双解词典包含166908条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。