- n. 废弃；取消
the state of being cancelled or annulled
the act (by someone having the authority) of annulling something previously done;
"the revocation of a law"
- No proceedings for the forfeiture or revocation of a patent may be instituted before the expiration of two years from the grant of the first compulsory license.
The Envoy delivered his Letters of Revocation, and is preparing to leave this Court.出自：London Gazette