- positive acoustic dispersion
- Макаров: положительная дисперсия звука
Универсальный англо-русский словарь. Академик.ру. 2011.
positive acoustic dispersion
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optics — /op tiks/, n. (used with a sing. v.) the branch of physical science that deals with the properties and phenomena of both visible and invisible light and with vision. [1605 15; < ML optica < Gk optiká, n. use of neut. pl. of OPTIKÓS; see OPTIC,… … Universalium
