key fob
短语钥匙坠大小的存储器
发音
其它
词形变化
key fobs
复数
key fobs
别名
keyfob
释义与例句
n.
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1.
An item carried on a key ring either as decoration or for security.
钥匙圈挂饰
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2.
A passive wireless electronic device that usually uses RFID technology to control access to buildings, containers, computers, etc. by being placed near a detector.
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3.
An active wireless electronic device that controls access to buildings or vehicles, such as a remote control for a car door lock.
感应卡
遥控钥匙
电子钥匙