“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.
随便看	Pterosauria pterostigma pteroylglutamic acid pterygium pterygoid bone pterygopalatine fossa pterygoquadrate Ptiliidae Ptilodactylidae Ptilodontoidea ptilolite Ptinidae PTM Ptolemaic system Ptolemy's theorem ptosis PTRM ptyalase ptyalin Ptychodactiaria Ptychomniaceae ptychotis oil Ptyctodontida ptygma ptygmatic fold

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