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单词
calibration radio beacon
释义
calibration radio beacon
calibration radio beacon
[
′kal·ə‚brā·shən ′rād·ē·ō ‚bē·kən
]
(navigation)
A special radio beacon operated primarily for calibrating shipboard radio direction-finders; it transmits either continuously during scheduled hours or upon request.
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更新时间:2025/6/6 12:23:12