GB/T 4854.3-2022声学校准测听设备的基准零级第3部分:骨振器纯音基准等效阈振动力级标准
英文:Acoustics—Reference zero for the calibration of audiometric equipment—Part 3:Reference equivalent threshold vibratory...
英文:Acoustics—Reference zero for the calibration of audiometric equipment—Part 3:Reference equivalent threshold vibratory...
英文:Acoustics—Quantities and procedures for description and measurement of underwater sound from ships—Part 1: Requiremen...
英文:Acoustics—Description, measurement and assessment of environmental noise—Part 1: Basic quantities and assessment proc...
英文:Acoustics—Description, measurement and assessment of environmental noise—Part 2: Determination of sound pressure leve...
英文:Acoustics—Soundscape—Part 1: Definition and conceptual framework GB/T 41283.1-2022介绍: 国家标准《声学 声景观 第1部分:定义和概念性框架》由TC17...
英文:Acoustics—Noise emitted by machinery and equipment—Guidelines for the use of basic standards for the determination of...
英文:Acoustics—Ultrasonic power measurement—Radiation force balances and the requirements GB/T 7966-2022介绍: 国家标准《声学 超声功率测量...