名词
中文翻译：Unknown
同义词：
['Fresnel fringe', 'Fresnel grating']
例句：
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1. The image on the screen is sharper than the one on the wall.
屏幕上的图像比墙上的清晰。
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2. The camera lens has a Fresnel fringe that helps to focus light.
相机镜头有菲涅尔条纹，有助于聚焦光线。
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3. The scientist used a Fresnel fringe to measure the thickness of the material.
科学家使用菲涅尔条纹来测量材料的厚度。