释义
n.
the action or process of commuting a judicial sentence
减刑。
the 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
折合偿付；代偿。
the process of commutating an electric current
换向；整流。
【数】 交换。
词源
"late Middle English （in the sense ‘exchange, barter', later ‘alteration’）： from Latin