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单词
geometrical optics
释义
WordReference Random House Unabridged Dictionary of American English © 2024
geomet
′
rical op
′
tics,
Optics
the branch of optics dealing with light as rays, esp. in the study of the effects of lenses and mirrors on light beams and of their combination in optical instruments.
1830–40
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extenuatingly
extenuation
extenuative
extenuator
extenuatory
exterior
exterior angle
exteriorise
exteriority
exteriorization
exteriorize
exteriorly
exterminate
extermination
exterminator
exterminatory
extermine
extern
external
external affairs
external auditory meatus
external-combustion
external degree
external ear
external galaxy
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更新时间:2025/7/23 16:40:01