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  • BS ISO 18405-2017 水下聲學(xué)術(shù)語(yǔ) Underwater acoustics. Terminology2023-09-23
  • EN 61672-2-2013+A1-2017 Electroacoustics-Sound level meters-Part 2: Pattern evaluation tests2023-08-28
  • BS EN ISO 4869-2-2018 聲學(xué).聽(tīng)力保護器.第2部分:當聽(tīng)力保護器磨損時(shí)影響性的A-重聲壓級評定 Acoustics. Hearing pr...2023-08-26
  • DIN 45682-2020 Acoustics - Thematic maps in the field of sound immission protection2023-08-18
  • BS EN 61672-2-2013+A1-2017 Electroacoustics. Sound level meters. Pattern evaluation tests2023-08-16
  • IEC 60645-1-2017 電聲學(xué)--測聽(tīng)設備--第1部分：純音聽(tīng)力計 Electroacoustics -- Audiological equipment -- Part 1: E...2023-08-11
  • DIN EN IEC 60942-2018 Electroacoustics - Sound calibrators (IEC 60942:2017); German version EN IEC 60942:20...2023-07-28
  • BS EN ISO 11819-2-2017 聲學(xué) 測量路面對交通噪聲的影響 近距離的方法 Acoustics. Measurement of the influence of...2023-05-13
  • DIN EN 60645-1-2018Electroacoustics - Audiometric equipment - Part 1: Equipment for pure-tone and speech aud...2023-04-21
  • GB/T 4854.3-2022聲學(xué) 校準測聽(tīng)設備的基準零級 第3部分: 骨振器純音基準等效閾振動(dòng)力級Acoustics—Reference zero f...2022-10-26
  • GB/T 41283.1-2022聲學(xué) 聲景觀(guān) 第1部分：定義和概念性框架Acoustics. Soundscape. Part 1 : Definition and conceptua...2022-10-26
  • GB/T 5265-2009聲學(xué).水下噪聲測量Acoustics—Measurement of underwater noise2022-06-13
  • GB/T 3449-2011聲學(xué).軌道車(chē)輛內部噪聲測量Acoustics—Measurement of noise inside railbound vehicles...2022-06-10
  • GB/T 7965-2002聲學(xué) 水聲換能器測量Acoustics--Measurement of underwater sound transducers2022-06-05
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