英语词汇“concave grating”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	concave grating
释义	concave grating concave grating [′kän‚kāv ′grād·iŋ] (spectroscopy) A reflection grating which both collimates and focuses the light falling upon it, made by spacing straight grooves equally along the chord of a concave spherical or paraboloid mirror surface. Also known as Rowland grating.
随便看	smelling oneself smelling ourselves smelling out smelling s smelling salt smelling salts smelling s's smelling stick smelling the roses smelling to high heaven smellin' herself smellin' himself smellin' myself smellin' oneself smellin' ourselves smellin' themselves smellin' yourself smell it up smell-less smell like a rose smell me out smell of smell of an oily rag smell of (something) smell of something

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