radiant power emitted, reflected, transmitted, or received per unit solid angle in a specific direction
radiant power emitted, reflected, transmitted, or received per unit solid angle in a specific direction
Ie . Metroloogia terminibaas. Eesti Keele Instituut, Sõnaveeb 2026. https://sonaveeb.ee/search/unif//mea/Ie%20/1/est (30.09.2026)