英语词汇“sign of aggregation”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	sign of aggregation
释义	WordReference Random House Unabridged Dictionary of American English © 2024 sign′ of aggrega′tion, [Math.] any of the signs used to indicate grouping in an algebraic expression: vinculum, bar, or raised horizontal line, a+b; a pair of parentheses, (a + b); a pair of brackets,[a + b]; or a pair of braces, {a + b}. 1940–45
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