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单词
photoptometer
释义
photoptometer
photoptometer
[
fo″top-tom´ĕ-ter
]
an instrument for measuring visual acuity by determining the smallest amount of light that will render an object just visible.
photoptometer
(fō-tŏp-tŏm′ĕ-tĕr) [″ +
opsis
, vision, +
metron
, measure]
A device for determining the smallest amount of light that will make an object visible.
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更新时间:2025/3/14 23:57:32