- effective pitch ratio
- эффективное шаговое отношение (гребного винта)
Большой англо-русский и русско-английский словарь. 2001.
Большой англо-русский и русско-английский словарь. 2001.
effective pitch ratio — Basic propeller characteristics represented by the formula V/nd, where V is air speed, n is propeller RPM, and d is diameter. Pitch ratio is the ratio of the geometric pitch, or other specified pitch, of a propeller to the diameter of the… … Aviation dictionary
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sound — sound1 soundable, adj. /sownd/, n. 1. the sensation produced by stimulation of the organs of hearing by vibrations transmitted through the air or other medium. 2. mechanical vibrations transmitted through an elastic medium, traveling in air at a… … Universalium
Sound — /sownd/, n. The, a strait between SW Sweden and Zealand, connecting the Kattegat and the Baltic. 87 mi. (140 km) long; 3 30 mi. (5 48 km) wide. Swedish and Danish, Oresund. * * * I Mechanical disturbance that propagates as a longitudinal wave… … Universalium
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