名词
中文翻译：光学仪器
同义词：
['optical device', 'optical apparatus', "optometrist's instrument例句：1. The scientist used an optical instrument to measure the distance between stars.（科学家使用一种光学仪器来测量恒星之间的距离。）2. The doctor uses an optical instrument to diagnose eye diseases.（医生使用一种光学仪器来诊断眼部疾病。）"]
例句：
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1. The scientist used an optical instrument to measure the distance between stars.
科学家使用一种光学仪器来测量恒星之间的距离。
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2. The doctor uses an optical instrument to diagnose eye diseases.
医生使用一种光学仪器来诊断眼部疾病。
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3. Optical instruments are essential tools for scientists and engineers in their research work.
光学仪器是科学家和工程师在研究工作中必不可少的工具。