单词：electric signalling
electric signalling的用法和样例：
例句
- 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
- A thin disk, especially in a microphone or telephone receiver, that vibrates in response to sound waves to produce electric signals, or that vibrates in response to electric signals to produce sound waves.膜片，振动板一种薄的圆盘(尤其是在麦克风和电话收话器里那种)响应声波振动产生信号或者响应电信号振动产生声波
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