“echelon grating”的概念、定义、翻译、参考文献-科学参考

单词	echelon grating
释义	echelon grating [`esh·ǝ´län ´grād·iŋ] ^SPECTROSCOPY A diffraction grating which consists of about 20 plane-parallel plates about 1 centimeter thick, cut from one sheet, each plate extending beyond the next by about 1 millimeter, and which has a resolving power on the order of 10⁶.
随便看	overhead compass overhead cost overhead fire overhead position overhead shovel overhead traveling crane overhead-valve engine overheat overheating effect overhit overite overland flow overlap overlap fault overlap integral overlapped memories overlapping overlapping genes overlapping input/output overlapping orbitals overlapping pair overlap radar minimal transformation group minimax minimax criterion

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