GB/T 3768-2017声学声压法测定噪声源声功率级和声能量级采用反射面上方包络测量面的简易法国家标准
英文:Acoustics—Determination of sound power levels and sound energy levels of noise sources using sound pressure—Survey me...
英文:Acoustics—Determination of sound power levels and sound energy levels of noise sources using sound pressure—Survey me...
英文:Acoustics—Measurement of airborne noise emitted and structure-borne vibration induced by small air-moving devices—Par...
英文:Acoustics—Specification of test tracks for measuring noise emitted by road vehicles and their tyres GB/T 22157-2018介绍...
英文:Acoustics—Measurement of airborne noise emitted and structure-borne vibration induced by small air-moving devices—Par...
英文:Acoustics—Audiometric test methods—Part 1: Pure-tone air and bone conduction audiometry GB/T 16296.1-2018介绍: 国家标准《声学 ...
英文:Electroacoustics—Audiometric equipment—Part 5: Instruments for the measurement of aural acoustic impedance/admittance...
英文:Electroacoustics—Sound level meters—Part 3: Periodic tests GB/T 3785.3-2018介绍: 国家标准《电声学 声级计 第3部分:周期试验》由TC23(全国电声学标准化技...
英文:Electroacoustics—Measurement microphones—Part 2: Primary method for pressure calibration of laboratory standard micro...
英文:Electroacoustics—Hearing aids—Part 12: Dimensions of electrical connector systems GB/T 25102.12-2018介绍: 国家标准《电声学 助听器 ...
英文:Industrial-process control valves—Part 8-2: Noise considerations—Laboratory measurement of noise generated by hydrody...