| 单词 | reduction to the meridian | 
| 释义 | reduction to the meridian [ri`dǝk·shǝn tü thǝ mǝ`rid·ē·ǝn]  NAVIGATION The process of applying a correction to an altitude observed when a body is near the celestial meridian of the observer, for the purpose of finding the altitude at meridian transit.  | 
	
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