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单词
exit pupil
释义
WordReference Random House Unabridged Dictionary of American English © 2024
ex
′
it pu′pil,
[
Optics.
]
Optics
the ridge of the entrance pupil of an optical system, indicating the place where the pupil of the eye should be placed to view the object. Also called
eye point.
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press secretary
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更新时间:2026/5/8 6:08:49