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单词 Fresnel lens
释义
Fresnel lens
(once / 2363863 pages)
n

WORD FAMILY
Fresnel lens
USAGE EXAMPLES
A Fresnel lens also disappeared from the Spring Point Ledge Lighthouse in Portland, Maine, sometime after 1960.
Seattle Times(Sep 12, 2016)
At its heart is a technological marvel, the Fresnel lens, invented by Frenchman Augustin-Jean Fresnel in 1823 and widely deployed in France by the 1830s.
Seattle Times(May 08, 2016)
The current lens is called a Fresnel lens.
Washington Times(Sep 11, 2014)
n lens composed of a number of small lenses arranged to make a lightweight lens of large diameter and short focal length
Hyper
lens, lens system, lense
a transparent optical device used to converge or diverge transmitted light and to form images
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更新时间:2025/1/24 7:22:13