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anechoic    
a. 无反响的



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  • Where can I spend time in an anechoic chamber?
    Is it possible, as a tourist, to visit an anechoic chamber where one can experience acoustic deprivation for up to an hour? I am interested in locations anywhere in the world Related question: Where is the quietest place on Earth?
  • Where is the quietest place on Earth? - Travel Stack Exchange
    41 Anaechoic Chamber at Orfield Labs When it comes to soundproof chambers, the quietest place on earth is the Anechoic chamber, at Orfield Labs Quoting from this article from the Atlas OBscura: A typical quiet bedroom at night measures about 30 decibels; this chamber measures at -9 decibels





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