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Definición de “focal length” en inglés

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focal length

noun [C usually singular] uk   specialized us  
the distance between a point where waves of light meet and the centre of a lens
Traducciones de “focal length”
en chino (tradicionál) 焦距…
en chino (simplificado) 焦距…
(Definition of focal length from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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