英语词汇“focal surface”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	focal surface
释义	Definition of focal surface in English: focal surface noun 1Geometry a surface formed by the centres of curvature of a surface. 2Optics an imaginary curved (usually spherical) surface on which initially parallel rays come to a focus after passing through a given lens or other optical system, and on which (in the case of visible light) the images of distant objects would be formed. Origin Early 19th century; earliest use found in Transactions of the Royal Irish Academy. Definition of focal surface in US English: focal surface noun 1Geometry a surface formed by the centres of curvature of a surface. 2Optics an imaginary curved (usually spherical) surface on which initially parallel rays come to a focus after passing through a given lens or other optical system, and on which (in the case of visible light) the images of distant objects would be formed. Origin Early 19th century; earliest use found in Transactions of the Royal Irish Academy.
随便看	all of a piece (all) of a piece (all) of a piece all-of-a-pieceness all of a quiver (all) of a sudden all of a sudden all of a sudden (all) of a sudden all of a tremble all of a tremble allogamous allogamous allogamy allogamy allogeneic allogeneity allogeneous allogenic allogenous allograft allografts allograph allographic allographic

　

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更新时间：2024/11/11 9:04:47