| 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.  | 
	
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