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لغة المحتوى

1 نتائج 'optics'

Optics (en)
Image formation, Light
Lasers, Optical fibres, Optical instruments, Photochemistry
Science > Physical sciences
Óptica (es), Оптика (ru), بصريات (ar), Optique (fr)
http://vocabularies.unesco.org/thesaurus/concept129