- acoustical reduction coefficient
- Техника: коэффициент звукопоглощения
Универсальный англо-русский словарь. Академик.ру. 2011.
acoustical reduction coefficient
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Geophysical MASINT — is a branch of Measurement and Signature Intelligence (MASINT) that involves phenomena transmitted through the earth (ground, water, atmosphere) and manmade structures including emitted or reflected sounds, pressure waves, vibrations, and… … Wikipedia
