资料来源 : pyDict

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资料来源 : Webster's Revised Unabridged Dictionary (1913)

Bimetallism \Bi*met"al*lism\, n. [F. bim['e]talisme.]
   The legalized use of two metals (as gold and silver) in the
   currency of a country, at a fixed relative value; -- in
   opposition to monometallism.

   Note: The words bim['e]tallisme and monom['e]tallisme are due
         to M. Cernuschi [1869]. --Littr['e].

资料来源 : WordNet®

bimetallism
     n : a monetary standard under which the basic unit of currency
         is defined by stated amounts of two metals (usually gold
         and silver) with values set at a predetermined ratio