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bn:16570523n
Noun Concept
EL
No term available
ET
Valgusviljakus on valgusallika valgusvoo Φ ja selle tekitamiseks tarbitava võimsuse P jagatis: η v = Φ P. Wikipedia
Relations
Sources
IS A
φωτεινή απόδοση
φυσικό μέγεθος
EN
photometric quantity

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