- air-borne sound
- звук, распространяющийся в воздухе
English-russian dictionary of physics. 2013.
English-russian dictionary of physics. 2013.
Air-raid shelter — in Tateyama[disambiguation needed … Wikipedia
Air Movement and Control Association — The Air Movement and Control Association International, Inc. (AMCA; pronounced Am Cah ) is a nonprofit organization that creates standards for, tests, and rates Heating, Ventilating, and Air Conditioning (HVAC) equipment. It is best known for its … Wikipedia
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air warfare — Military operations conducted by airplanes, helicopters, or other aircraft against aircraft or targets on the ground and in the water. Air warfare did not become important until World War I (1914–18). The British, French, German, Russian, and… … Universalium
musical sound — Introduction any tone with characteristics such as controlled pitch and timbre. The sounds are produced by instruments in which the periodic vibrations can be controlled by the performer. That some sounds are intrinsically musical,… … Universalium
McMurdo Sound — McMurdo Sound, Antarctica The ice clogged waters of Antarctica s McMurdo Sound extend about 55 km (35 mi) long and wide. The sound opens into the Ross Sea to the north. The Royal Society Range rises from sea level to 13,205 feet (4,205… … Wikipedia
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