electric signal

• 电信号

electric signal的用法和样例：

例句

1. The scanner emits a low-frequency radio signal, activating the microchip.
   扫描仪会发出一些低周波的无线电信号，来激活微芯片。
2. Photodetectors are transducers that convert light into an electric signal.
   光电探测器是将光转化成电信号的变换器。