radio beacon
柯林斯詞典
1. N a fixed radio transmitting station that broadcasts a characteristic signal by means of which a vessel or aircraft can determine its bearing or position 無(wú)線電信標(biāo) (Sometimes shortened to beacon)
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1. N a fixed radio transmitting station that broadcasts a characteristic signal by means of which a vessel or aircraft can determine its bearing or position 無(wú)線電信標(biāo) (Sometimes shortened to beacon)