“anechoic”的英文意思_释义_用法

单词

anechoic

释义

anechoic, a.|ænɛˈkəʊɪk|
[an- 10 + echo n. + -ic.]
Free from echo.
1948Electronics Nov. 106/1 The usual method of obtaining the sound field by the use of free-field or anechoic chambers was felt to be too expensive.1959Engineering CLXXXVIII. 65 (title) Anechoic chamber for noise research.

Add: Also, of a coating, building material, etc.: tending to deaden sound.
1960F. M. Wiener in L. L. Beranek Noise Reduction viii. 170 The source may be placed on the hard floor of a room whose five other boundaries are anechoic.1983Listener 12 May 6/1 The Russians already treat most of their submarines with anechoic coatings to reduce sonar returns.1986T. Clancy Red Storm Rising (1988) iii. 47 ‘What's with the tile on your deck? I never heard of rubber decks on a ship.’ ‘It's called anechoic tile, sir. The rubber absorbs sound waves.’

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