| 单词 | 讯号 |
| 释义 | 〔decoder〕A device that decodes a scrambled electronic signal to make it interpretable.译码器：解除改变过频率的电子讯号，使其变得可解释的仪器〔attenuator〕A device that attenuates an electrical signal.衰减器，减压器：使电子讯号减弱的装置〔feedhorn〕A satellite dish component that captures the signal reflected from the dish surface and channels it into an amplifier.碟形卫星天线：碟形卫星信号接收器设备，可以捕捉自碟形表面所反射出来的讯号并传送至放大器〔converter〕An electronic device that converts one frequency of a radio signal to another.变频器：将无线电讯号从一种频率转换成另一种频率的电子装置 |
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