“optical lever”的概念、定义、翻译、参考文献-科学参考

单词	optical lever
释义	optical lever [`äp·tǝ·kǝl `lev·ǝr] ^OPTICS A device for measuring small angular displacements of a rotating body in which a narrow fixed beam of light is directed onto a small mirror attached to the body and the reflected beam is directed onto a screen, producing a spot of light whose position is measured.
随便看	sulfur hexafluoride sulfur hexameter sulfuric acid sulfuric acid alkylation sulfuric chloride sulfur iodide sulfur iodine sulfurized oil sulfur monobromide sulfur monoxide sulfur-mud pool sulfur number sulfurous acid sulfurous acid anhydride sulfurous oxychloride sulfur oxide sulfur oxychloride sulfur spring sulfur subchloride sulfur test sulfur trioxide sulfuryl sulfuryl chloride sulfuryl fluoride Sulidae

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