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。
"late Middle English (in the sense ‘exchange, barter', later ‘alteration’): from Latin