单词 | racon |
释义 | racon/ˈreɪkɒn /noun chiefly US A radar beacon that can be identified and located by its response to a specific radar signal.The racon on the Bishop Rock Lighthouse works on the 3cm and 10 cm wavelengths, has a range of around 18 nautical miles and the Morse coding of T. Origin1940s: blend of radar and beacon. |
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