英语词汇“mean proportional”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	mean proportional
释义	WordReference Random House Unabridged Dictionary of American English © 2024 mean′ propor′tional, [Math.] Mathematics(between two numbers a and b) a number x for which a/x = x/b:The number 3 is a mean proportional between 1 and 9. 1565–75
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