| 单词 | 信号源 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔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〔monaural〕Electronics Relating to a system of transmitting, recording, or reproducing sound in which one or more sources are connected to a single channel; monophonic.【电子学】 单声道的：在播送、录音或制作声音系统中一个或多个信号源与一个声道相接的；单声道的美国传统 |
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