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单词 geometric progression
释义

WordReference Random House Unabridged Dictionary of American English © 2024
geomet′ric progres′sion, [Math.]
  1. Mathematicsa sequence of terms in which the ratio between any two successive terms is the same, as the progression 1, 3, 9, 27, 81 or 144, 12, 1, 1⁄12, 1⁄144. Also called geometric series. 
  • 1550–60

Collins Concise English Dictionary © HarperCollins Publishers::
geometric progression n
  1. a sequence of numbers, each of which differs from the succeeding one by a constant ratio, as 1, 2, 4, 8, …
    Compare arithmetic progression
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