英语词汇“optical flat”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	optical flat
释义	optical flat noun A block or lamina (usually of glass) with one or more surfaces made accurately plane and smooth, any unevenness or departure from a perfect plane being small compared with the wavelength of light. Origin Late 19th century; earliest use found in Astrophysical Journal.
随便看	Alpic Alpigene alpine Alpine anemone Alpine club Alpine fir alpine glacier Alpine hat alpine house Alpine marmot alpine meadow Alpine mouse Alpine rose Alpine speedwell alpine strawberry alpine touring alpine tundra alpinism alpinist Alpish alpist alpiste alprazolam alprenolol Alps

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optical flat