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单词
focal length
释义
focal length
noun
countable
physics
UK
Word Forms
singular
focal length
plural
focal lengths
DEFINITIONS
1
1
the distance from the centre of a
lens
or mirror to its focal point
Synonyms and related words
Terms in Physics
centre of gravity
density
focal length
focal length
noun
countable
physics
US
Word Forms
singular
focal length
plural
focal lengths
DEFINITIONS
1
1
the distance from the center of a
lens
or mirror to its focal point
Synonyms and related words
Terms in Physics
density
focal length
focal point
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更新时间:2025/7/27 10:13:11