revocationn. 廢止、取消、撤回撤銷學術名詞報廢:電機工程、電子工程、機械工程取消:電機工程撤回:電機工程廢除:電機工程撤銷:電子工程合法性撤銷:資訊英文釋義the state of being cancelled or annulledthe act (by someone having the authority) of annulling something previously done