“nondirectional beacon”的概念、定义、翻译、参考文献-科学参考

单词	nondirectional beacon
释义	nondirectional beacon [¦nän·di`rek·shǝn·ǝl `bē·kǝn] ^NAVIGATION A beacon that provides navigational guidance over a 360° azimuth.
随便看	signal voltage signal wave signal-wave envelope signal winding sign-and-magnitude code signature sign bit sign check indicator sign-control flip-flop sign convention sign digit signed decimal signed field signed integer signed measure signet-ring cell sign flag significance significance arithmetic significance level significance probability significant digit significant figure significant wave sign of the zodiac

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