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- A device that attenuates an electrical signal. 衰减器，减压器使电子讯号减弱的装置
- A nerve cell, for example, rapidly transmits electrical signals in the body. 例如，神经细胞在体内能迅速传递电信号。
- Sensors measure the light pattern and turn it into electrical signals. 感应器将对这个图样进行测量并转化为电信号。
- The receiver amplifies the strength of these weak electrical signals. 接收器放大这些微弱电子讯号的强度。
- At the receiving end, a photodetector converts them back to electrical signals. 在接收端，由光电探测器再把光脉冲信号转换成电信号。
- A type of transmission medium consisting of two insulated wire twisted together to improve its immunity to interference from other(stray) electrical signals that may otherwise corrupt the signal being transmitted. 由两根外皮绝缘的导线扭在一起组成的一种类型的传输媒体，扭在一起是为提高对可能破坏被传输信号的其它(杂散)电信号的抗扰度。
- To reduce(the amplitude of an electrical signal)with little or no distortion. 减弱讯号在失真极小或不失真的情况下减弱（调幅或电子讯号）
- To reduce(the amplitude of an electrical signal) with little or no distortion. 减弱讯号在失真极小或不失真的情况下减弱（调幅或电子讯号）
- An asynchronous electrical signal from a peripheral to the processor. 一个从外设到处理器的异步电信号。
- Any tape punch that automatically converts coded electrical signals into perforation in tape. 自动地将编码电信号变换为纸带上的穿孔的任何纸带穿孔机。
- A device that converts electric signals to audible sound. 扩音器把电子信号转变为可听见的声音的一种装置
- An eletric motor was driven between two limits by electrical signals from the programme. 由程序器发出电信号，使马达转动，并可停在两个限位以内。
- At the other end, the light signals are received and changed back into electrical signals and finally sound. 在受话的一端,被接收的光信号还原为电信号,最后变成声音。
- Cells in the central nerous system tend to communicate with each other ia a wae of electrical signals that trael along neurons. 中枢神经系统的细胞通过在神经元上传播的电信号波群来进行彼此的沟通。
- Many input and output devices operate by issuing/receiving electrical signals which are in analog form. 很多输入和输出设备的操作都是通过发送/接收模拟状态下的电信号完成。
- A device that converts electric signals, as from a telephone, stereo, or radio receiver, to audible sound and fits over or in the ear. 耳机一种传递电子信号的设备，比如从电话、立体声或广播接收器上传出可听的声音。这种设备嵌到耳朵上或耳朵里
- Then, sensors around the bar detect the vibrations and turn them into electrical signals that researchers can analyze. 铝棒周围的感应器将检测到这些振动并将它们转化为可供分析的电信号。
- One that announces, especially an electrical signaling device used in hotels or offices to indicate the sources of calls on a switchboard. 信号器，示号器宣告物，尤指饭店或办公室中使用的一种电子信号装置，用来指示交换台上的呼叫信号来源
- It is inoled in turning photons into electrical signals that can be decoded by the brain into isual information. 它与将光子变成可以被大脑解码成视觉信息的电信号有关。
- The function of photocells is to transfer laser signals into electric signals. 光电管的作用就是把光信号转化为电信号。
