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point focal angolul

FranciaAngol
point focal nom {m}

focal point◼◼◼((optics) a focus; a point at which rays of light or other radiation converge)
noun
[UK: ˈfəʊk.l̩ pɔɪnt] [US: ˈfoʊk.l̩ ˈpɔɪnt]