名词
中文翻译：准直狭缝
同义词：
['collimated slit', 'collimation slit']
例句：
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1.The collimating slit in the telescope is responsible for focusing light onto the detector.
望远镜中的准直狭缝负责将光线聚焦到探测器上。
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2.During the experiment, the collimating slit was used to reduce noise and improve accuracy.
实验中，使用准直狭缝来减少噪声并提高精度。
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3.The collimating slit on the microscope helps to focus the sample and make it easier to observe.
显微镜上的准直狭缝有助于聚焦样品，使观察更容易。