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词汇	Fresnel lens
释义	Fres·nel lens AHD[frə-nĕlʹ] D.J.[frəˈnel]K.K.[frəˈnɛl]n.（名词）Prisms that make up a Fresnel lens bend and magnify light rays, creating a single, concentrated beam of light.Precision Graphics A thin optical lens consisting of concentric rings of segmental lenses and having a short focal length, used primarily in spotlights, beacons, and the headlights of motor vehicles.菲涅耳透镜：一种由一系列同心的简单透镜截面组成并且焦距短的薄透镜，主要用在聚光灯灯塔或机动车头灯 Etymology语源 After Augustin Jean Fresnel 源自 奥古斯丁·简 Fresnel
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