“radio direction finder”的概念、定义、翻译、参考文献-科学参考

单词	radio direction finder
释义	radio direction finder [`rād·ē·ō di`rek·shǝn ´fīn·dǝr] ^NAVIGATION A radio aid to navigation that uses a rotatable loop or other highly directional antenna arrangement to determine the direction of arrival of a radio signal. Abbreviated RDF. Also known as direction finder.
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