“alternating occulting light”的概念、定义、翻译、参考文献-科学参考

单词	alternating occulting light
释义	alternating occulting light [`ȯl·tǝr·nād·iŋ ǝ`kǝlt·iŋ ´līt] ^NAVIGATION A navigation light having one or more total eclipses at regular intervals and having color variations, the duration of light being equal to or greater than that of darkness.
随便看	beam current beam-deflection amplifier beam-deflection tube beam diameter beam divergence beam drop beam edge beam efficiency beam expander beam extractor beam fill beam-foil spectroscopy beam form beam-forming electrode beamguide beam hanger beam holding beam hole beamhouse beam-indexing tube beam lead beam lobe switching beam magnet beam parametric amplifier beam pattern

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