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单词 real number
释义

WordReference Random House Learner's Dictionary of American English © 2024
ˈre•al ˈnum•ber,  n. [countable]
  1. Mathematicsa rational number or the limit of a sequence of rational numbers.

WordReference Random House Unabridged Dictionary of American English © 2024
real number  (rēəl, rēl),USA pronunciation [Math.]
  1. Mathematicsa rational number or the limit of a sequence of rational numbers, as opposed to a complex number. Also called real. 
  • 1905–10

Collins Concise English Dictionary © HarperCollins Publishers::
real number n
  1. a number expressible as a limit of rational numbers
    See number
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