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单词 commutative
释义 commutative
 —commutatively,  adv.   —commutativity,  n.  
 /keuh myooh"teuh tiv, kom"yeuh tay'tiv/,  adj.  
  1. of or pertaining to commutation, exchange, substitution, or interchange.
  2.  Math.  
   a. (of a binary operation) having the property that one term operating on a second is equal to the second operating on the first, as a × b = b × a.
   b. having reference to this property: commutative law for multiplication.
 [1525-35; < ML commutativus, equiv. to L commutat(us) (ptp. of commutare; see COMMUTE, -ATE1) + -ivus -IVE]
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更新时间:2025/2/24 20:01:01