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Duple ratio

資料來源 : Webster's Revised Unabridged Dictionary (1913)

Duple \Du"ple\, a. [L. duplus. See {Double}.]
   Double.

   {Duple ratio} (Math.), that in which the antecedent term is
      double the consequent, as of 2 to 1, 8 to 4, etc.
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