| 单词 | 发射机 |
| 释义 | 〔transmission〕The sending of a signal, picture, or other information from a transmitter.播送：从一发射机发送信号、图像或其它信息〔microphone〕An instrument that converts sound waves into an electric current, usually fed into an amplifier, a recorder, or a broadcast transmitter.扩音器，麦克风，话筒：将声波转变成电流的工具，通常接至扩音器，录音机或广播发射机上〔sonobuoy〕A buoy equipped with an acoustic receiver and a radio transmitter that emits radio signals when it detects underwater sounds.声纳浮标：一种浮标，上面装配有原声接受器以及在探测水底声音时能发射出电波信号的电波发射机〔diplexer〕A coupling device that permits two radio transmitters to share the same antenna.双信号耦合器：一个允许两个无线电发射机使用同一根天线的耦合设备〔transponder〕A radio or radar transmitter-receiver activated for transmission by reception of a predetermined signal.发射机应答器：一种收到预定信号之后就开始发射信号的无线电或雷达发射接收机〔transmitter〕An electronic device that generates and amplifies a carrier wave, modulates it with a meaningful signal derived from speech or other sources, and radiates the resulting signal from an antenna.发射机：一种产生并放大载波的电子装置，它从声音或其它材料而来的有意义的信号调制并将最后得到的信号通过天线发射出去 |
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