A microcomputer embedded within a conventional bank card used as a security device on controlling payments via electronic banking and clearing systems.
传统银行卡内植入微型计算机芯片作为保安装置，用于控制通过电子银行及结算系统的支付。
It is interesting that, as a security device, I was given a small transmitter which is a key chain lob and this has a number which changes every few seconds.
有趣的是，作为安全装置，我得到了一个智能钥匙扣型的小发射器，上面有一组数字，每几秒钟变化一次。
It is interesting that, as a security device, I was given a small transmitter which is a key chain lob and this has a number which changes every few seconds.
有趣的是，作为安全装置，我得到了一个智能钥匙扣型的小发射器，上面有一组数字，每几秒钟变化一次。
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