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A device that periodically and automatically opens and closes an electric circuit, producing pulses.
中文意思:
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


以下为相关句子列表(点击查看,可以看对应的解释):
1 A device that converts electric signals, as from a telephone, stereo, or radio receiver, to audible sound and fits over or in the ear. 已记 看解释
2 A device that converts measurable elements of a physical process into data meaningful to computer. 已记 看解释
3 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 已记 看解释
4 A device that generates code to authenticate a user when logging on to a secure network or application. 已记 看解释
5 A device that operates by power(often electricity) and performs some reasonably complex operation(an accounting machine;photocopiers and other office machines). 已记 看解释
6 A device that periodically and automatically opens and closes an electric circuit, producing pulses. 已记 看解释
7 A device that produces a bright light for signaling, illumination, or identification. 已记 看解释
8 A device that reads data from and writes data onto a storage medium, such as a floppy disk. 已记 看解释
9 A device used to automatically follow a sonar signal to which it is assigned. 已记 看解释
10 A device used to convert direct current into alternating current. 已记 看解释
11 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. 已记 看解释
 
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