名词
中文翻译：无线电信标系统
同义词：
['radio beacon', 'radio navigation aid', 'radio signal beacon']
例句：
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1.The radio-beacon system is used to guide ships in the dark.
无线电信标系统用于在黑暗中引导船只。
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2.The new radio-beacon system has greatly improved the accuracy of navigation.
新的无线电信标系统大大提高了导航的准确性。
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3.The radio-beacon system was a game-changer for mariners during World War II.
无线电信标系统是二战期间对航海家来说的革命性工具。