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

单词	manual radio direction finder
释义	manual radio direction finder [`man·yǝ·wǝl `rād·ē·ō di`rek·shǝn ´fīn·dǝr] ^NAVIGATION A radio direction finder which requires manual rotation of an antenna or goniometer, in contrast with an automatic radio direction finder, which indicates automatically and continuously the great-circle direction of the transmitter to which it is tuned. Also known as manual direction finder.
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