单词：commutations
(commutation 的复数) n. 交换, 变换, 代替
[电] 整流
[电] 整流
plural of commutation
n. the travel of a commuter
n. a warrant substituting a lesser punishment for a greater one
n. (law) the reduction in severity of a punishment imposed by law
n. the travel of a commuter
n. a warrant substituting a lesser punishment for a greater one
n. (law) the reduction in severity of a punishment imposed by law