broad-wall-type attenuator

broad-wall-type attenuator: Метрология: аттенюатор, устанавливаемый у широкой стенки волновода

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ear, human — ▪ anatomy Introduction organ of hearing and equilibrium that detects and analyzes noises by transduction (or the conversion of sound waves into electrochemical impulses) and maintains the sense of balance (equilibrium). The human ear, like … Universalium
Speed limit — For a discussion of the maximum speed possible in the universe, see speed of light and special relativity. A road speed limit is the maximum speed allowed by law for road vehicles. Speed limits are commonly set and enforced by the legislative… … Wikipedia

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