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单词 stop number
释义

stop number


Thesaurus
Noun1.stop number - the ratio of the focal length to the diameter of a (camera) lens systemf number, focal ratio, speedratio - the relative magnitudes of two quantities (usually expressed as a quotient)

stop number


stop number

[′stäp ‚nəm·bər] (optics) f number

stop number


Related to stop number: stop off
  • noun

Synonyms for stop number

noun the ratio of the focal length to the diameter of a (camera) lens system

Synonyms

  • f number
  • focal ratio
  • speed

Related Words

  • ratio
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更新时间:2025/2/5 10:41:49