The description Racon beside an illustration on a chart would mean a （）.<br>A:radar conspicuous beacon<br>B:circular radiobeacon<br>C:radar transponder beacon<br>D:radar calibration beacon

The description Racon beside an illustration on a chart would mean a （）.
A:radar conspicuous beacon
B:circular radiobeacon
C:radar transponder beacon
D:radar calibration beacon

出自：海船船员证

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