英语词汇“field flattener”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	field flattener
释义	field flattener field flattener [′fēld ‚flat·ən·ər] (optics) A thin planoconvex lens placed in front of the photographic plate in some telescopes that have a curved focal plane so as to focus light on the flat plate.
随便看	retroactions retroactive retroactive annuity starting date retroactive continuity retroactive conversion retroactive (disambiguation) retroactive family allowance checkage retroactive force of a law retroactive inhibition retroactive interference retroactive law retroactive legislation retroactively retroactiveness retroactive refit retroactivity retroacts retroadductor space retroarticular abscess retroarticular foramen retroarticular process retro-assisted imaging laser experiment retroauricular retroauricular fold retroauricular lymph node

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