| 单词 | radio receiver |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔crystal detector〕A rectifying detector used especially in early radio receivers and consisting of a semiconducting crystal in point contact with a fine metal wire.晶体检波器：尤指在早期的无线电接收机中使用的检波器，由一块与一条细金属丝以点接触的半传导性晶体构成美国传统〔crystal set〕An early radio receiver using a crystal detector.晶体检波接收机：一种使用晶体检波器的早期无线电接收机美国传统〔digital satellite system〕A system in which a satellite dish receives a digital signal, decodes the signal, and passes it to a television, radio receiver, or computer.数字卫星系统：卫星碟形天线接收讯号，并将其译码传送至电视、无线电接受器或计算机的系统美国传统〔direction finder〕A device for determining the source of a transmitted signal, consisting mainly of a radio receiver and a coiled rotating antenna.无线电测向仪：一种确定被传送的信号源的装置，主要由一个无线电接收器和一卷盘绕的旋转天线组成美国传统〔goniometer〕A radio receiver and directional antenna used as a system to determine the angular direction of incoming radio signals.无线方向探测器：一种无线电接收和指向天线系统，用来确定收到的无线电信号的角方向美国传统〔preamplifier〕An electronic circuit or device that detects and strengthens weak signals, as from a radio receiver, for subsequent, more powerful amplification stages.前置放大器：电子线路或装置，用来探测并加强无线电接收机所发出的微弱信号，从而使其达到更加有力的增幅程度美国传统〔radio compass〕A navigational aid consisting of an automatic radio receiver that determines the transmission direction of incoming radio waves.无线电罗盘：一种导仪器，带有一个无线电自动接收器，可以测定发来的无线电波的发送方向美国传统〔squelch〕An electric circuit that cuts off a radio receiver when the signal is too weak for reception of anything but noise.静噪电路：当信号太微弱而只能收到杂声时断掉无线接收器的电子电路美国传统〔superheterodyne〕A superheterodyne radio receiver.超外差式收音机美国传统Our radio receiver went dead. 我们的无线电接收机失灵了。译典通 |
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