单词 | commutation |
释义 | commutation/kɒmjʊˈteɪʃ(ə)n /noun [mass noun] 1The action or process of commuting a judicial sentence: a commutation of her sentence...
1.1The conversion of a legal obligation or entitlement into another form, e.g. the replacement of an annuity or series of payments by a single payment: the commutation of dues into money rents making a one-off lump sum in commutation of your pension rights...
2The process of commutating an electric current.A main switching element is provided to turn ON and OFF an input voltage, and a synchronous commutating switching element is provided to perform synchronous commutation of a load current....
3 Mathematics The property of having a commutative relation.This discussion has not covered commutation of the construction stages, another important property of the PDN-theorem. OriginLate Middle English (in the sense 'exchange, barter', later 'alteration'): from Latin commutatio(n-), from commutare 'exchange, interchange' (see commute). sense 1 dates from the late 16th century. |
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