- parabolic aluminum reflector
- Светотехника: (PAR) параболический алюминиевый рефлектор
Универсальный англо-русский словарь. Академик.ру. 2011.
parabolic aluminum reflector
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Parabolic aluminized reflector light — A Parabolic Aluminized Reflector luminaire 20 PAR cans A parabolic aluminized refle … Wikipedia
PAR — Paris, France (Regional » Airport Codes) **** Paragraph (Community » Media) * Photosynthetically Active Radiation (Academic & Science » Botany) * Participatory Action Research (Academic & Science » Universities) * Plant A Row (Miscellaneous »… … Abbreviations dictionary
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History of the telescope — The earliest known working telescopes appeared in 1608 and are credited to Hans Lippershey and Zacharias Janssen, spectacle makers in Middelburg, and Jacob Metius of Alkmaar. The design of these early refracting telescopes consisted of a convex… … Wikipedia
