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- A声级A sound level
- 等效A声级equivalent A-weighted sound pressure level
- 声源真实A声级LA (r0)
- 世界部分国家摩托车A声级噪声限值The A-level Noise Limits of Motorcycles in Selected Countries
- 运用等效连续A声级及累计百分数声级对测试的交通噪声进行评价，采用比例预测法对雄楚大街未来5年交通噪声的发展趋势进行预测。Come to the road vehicle breakdown,Circadian variation and variation Week .Use of equivalent continuous A levels and the cumulative percentage of the level of traffic noise test evaluation ,Proportional prediction right Sontu Street next five years, the traffic noise trend forecast.
- 不仅A而且not merely A but also B
- 与其说A不如说not so much A as B
- A股A-share
- 声级计sound level meter
- 把A误以为take A for B
- 声级sound level
- 维生素Avitamin(e)
- 2001年度国控城市区域环境噪声等效声级比较Comparison of Equivalent Regional Environmental Noise Level in State-Controlled Cities in 2001
- 把A视为looked upon A as B
- 声级计新旧标准比较及对新标准贯彻的意见Comparison between old and new standards on sound level meters and opinions on the implementation of the new standard
- 双酚Abisphenol A
- Ａ计权声级A-weighted sound pressure level
- GB/T17312-1998声级计的无规入射和扩散场校准Random-incidence and diffuse-field calibration of sound level meters
- A型A Mode; A-form
- 暴露声级sound exposure level
