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单词	anastigmat
释义	anastigmat /əˈnastɪɡmat / noun An anastigmatic lens system.As such, the anastigmat offers an attractive compromise between astigmatism and field curvature.... Many advanced techniques of practical lens design will be illustrate with easy-to-understand examples drawn from the design of anastigmats and telescope objectives. Recently KiwiStar Optics extended a method developed to provide a complete survey of all possible reflecting anastigmats which have the simplest possible geometry.
随便看	aq aq. Aqaba Aqaba, Gulf of Aql Aqr aqsaqal aqua aqua- aqua aura aquacade aquaculture aquafarm aquafarming aqua fortis aqualung Aqua-Lung aquamanile aquamarine aquanaut aquaphobia aquaphobic aquaplane aquaplaning aquaponic

英语词典包含243303条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。