| 单词 | anti-halation | 
| 释义 | > as lemmasanti-halation   anti-halation adj.  Brit.  , U.S.  , ΚΠ 1896    Lancet 16 May 1359/1  				Mr. Lucy handed round the skiagraph of a Hand and Forearm taken on a Thomas's antihalation plate with a Newton's ‘focus tube’ and one minute's exposure by Mr. Oakley. 2019    Tartan 		(Carnegie Mellon Univ.)	 		(Nexis)	 17 Feb. (Scitech section) 1  				Photographic film is made of four layers: the protective coating, emulsion, base, and anti-halation backing. < as lemmas  | 
	
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