名词
中文翻译：导航信号
同义词：
['navigational signal', 'navigational beacon']
例句：
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1.The ship's navigating signal is being monitored by the radar system.
船舶的导航信号正在雷达系统监控中。
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2.The navigating signal was transmitted from a satellite.
导航信号是从一颗卫星发射的。
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3. The navigating signal was used to guide the vessel through the fog.
导航信号被用来引导船只穿越雾区。