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A device that enables a user entity to log in, for example, to identify itself, its purpose and the time of entry; and to log out with the corresponding data so that the appropriate accounting procedures may be carried out in accordance with the operating
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使用户实体能够注册（例如标识用户本身、注册目的以及进入时间）的一种装置，并能和相应的数据一起注销，以便配合操作系统办理适当的记帐手续。 |
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A device that generates code to authenticate a user when logging on to a secure network or application.
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当某用户登陆到一个安全网络或应用时，一种能生成代码对其进行认证的装置。 |
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A device that operates by power(often electricity) and performs some reasonably complex operation(an accounting machine;photocopiers and other office machines).
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用动力（通常是电）推动运行的一种设备，它能完成某些相当复杂的工作（例如会计机、复印机和其它办公机器）。 |
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A device that periodically and automatically opens and closes an electric circuit, producing pulses.
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断续器一种阶段性的能自动打开及关闭电路并产生脉冲的仪器 |
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A device that produces a bright light for signaling, illumination, or identification.
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闪光信号，照明弹一种能产生强光用来发出信号、照明或鉴定物体的装置 |
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A device that reads data from and writes data onto a storage medium, such as a floppy disk.
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驱动器从存储媒介（如软盘）上读出或写入数据的仪器 |
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A device used to automatically follow a sonar signal to which it is assigned.
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一个自动跟随分配的声纳信号的设备。 |
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A device used to convert direct current into alternating current.
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反用换流器用于变直流电为交流电的仪器 |
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A device used to determine geographic direction, usually consisting of a magnetic needle or needles horizontally mounted or suspended and free to pivot until aligned with the magnetic field of Earth.
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指南针用于确定地理方向的设备，通常包括一个或多个水平安装或悬挂的磁针，可在枢轴上自由活动直到与地球磁场在一条线上 |
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A device used to mark time by means of regularly recurring ticks or flashes at adjustable intervals.
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节拍器一种利用间隙可调的有规律地重复出现的拍打或闪光来标记时间的仪器 |
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A device used to modulate an electromagnetic wave.
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调制器用以调制电磁波的装置 |
