英语词汇“concentric lens”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

　

单词	concentric lens
释义	Definition of concentric lens in English: concentric lens noun Photography historical A compound lens consisting of planoconvex and planoconcave lenses of such dimensions that the convex and concave surfaces of the combined lens represent portions of two concentric spheres. Origin Late 19th century; earliest use found in Journal of the Society of Arts. Definition of concentric lens in US English: concentric lens noun Photography historical A compound lens consisting of planoconvex and planoconcave lenses of such dimensions that the convex and concave surfaces of the combined lens represent portions of two concentric spheres. Origin Late 19th century; earliest use found in Journal of the Society of Arts.
随便看	down-country downcourt down-covered downcurved downcut downcuts downcutting down-dip downdraft downdrafts downdraught down-draught down-draughts downdrift Down East downed downer downers downers Downers Grove Downey downfall down-fallen downfallen downfalling

　

英语词典包含464360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。

　

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更新时间：2025/11/4 16:07:11