名词
中文翻译：无线电中继信号同义词
同义词：
['radio relay signal', 'radio signal', 'relay signal']
例句：
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1. The engineer used a radio relay signal to communicate with the remote control.
工程师使用无线电中继信号与遥控器进行通信。
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2. The police department installed a new radio relay signal system to improve communication during emergencies.
警察局安装了一个新的无线电中继信号系统，以改善紧急情况下的通信。
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3. The scientist detected a weak radio relay signal from the other side of the galaxy.
科学家探测到一个来自银河系另一边的微弱无线电中继信号。