“radio navigation”的概念、定义、翻译、参考文献-科学参考

单词	radio navigation
释义	radio navigation [`rād·ē·ō ´nav·ǝ`gā·shǝn] ^NAVIGATION The use of apparatus operating at radio frequencies to determine parameters useful for navigation; it includes radio direction finding, radio ranges, radio compasses, radio homing beacons, and loran.
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