名词
中文翻译:无线电呼叫器
同义词:
['radio beacon', 'radio signal', 'radio receiver']
例句:
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1.The police used a radio beaconto guide the searchers.
警方使用无线电信号来引导搜救人员。
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2. Theold man kept his radiobeacon in his pocketfor emergency use.
这位老人把他的无线电信号器放在口袋里,以备紧急情况使用。
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3. Thepilot used his radio beacon to communicate with thecontrol tower.
飞行员使用他的无线电信号器与控制塔进行通信。