| 单词 | radio transmitter |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔beacon〕A radio transmitter that emits a characteristic guidance signal for aircraft.信标，无线电发送器：一种向飞机发送特殊导航信号的无线电传送装置美国传统〔dead spot〕A zone within the range of a radio transmitter where little or no radio signal can be received.死点，静点：在收音机转播范围内，不能或只能收到一点无线电信号的地区美国传统〔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美国传统〔radio beacon〕A fixed radio transmitter that broadcasts distinctive signals as a navigational aid.无线电指向标：位置固定的无线电发射台，可以发出清晰的无线电讯号用以导航美国传统〔radio collar〕A collar fitted with a small radio transmitter that when attached to a wild animal can be used in tracking the animal's movements by radio telemetry.无线电项圈：装有小型无线电发射器的项圈，当其附在野生动物身上时，借着无线电测距术可以用来追踪那只动物的动态美国传统〔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美国传统 |
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