1.
measured noise level [MNL]
量度所得的噪音声级
2.
Integrating-averaging sound level meters
GB/T17181-1997积分平均声级计
3.
Conclusion The workplace can be classified by equivalent consecutive sound level A.
结论噪声作业可以用等效连续A声级来进行分级。
4.
" Electric,sonic properties and measuring methods for sound level meters"
GB/T3785-1983声级计的电、声性能及测试方法
5.
To raise in condition, rank, or esteem.
提高地位，级别，声望
6.
passive advanced sonobuoy
被动式高级声呐浮标
7.
A-weighted equivalent continuous sound pressure leve
Ａ加权等效连续声压级
8.
Acoustics--Determination of sound power levels of noise sources using sound pressure--Survey method using a reference sound source
GB/T16538-1996声学声压法测定噪声源声功率级使用标准声源简易法
9.
Acoustics--Determination of sound power levels of noise sources--Precision methods for anechoic and semi-anechoic rooms
GB/T6882-1986声学噪声源声功率级的测定消声室和半消声室精密法
10.
Measurement of sound pressure level for sound signal appliances by seagoing vessel
GB/T12303-1990海船声号器具的声压级测量
11.
The gradation of sound absorption property for absorbent products
GB/T16731-1997建筑吸声产品的吸声性能分级
12.
Determination of sound power level for noise emitted by woodworking machinery
GB/T3770-1983木工机床噪声声功率级的测定
13.
Determination of sound power levels of noise emitted by household electrical appliances
GB/T4214-1984家用电器噪声声功率级的测定
14.
Thinking on "Media-like Events", such as "Super Girls" and "Happy Boys"
《超级女声》、《快乐男声》的“类媒介事件”思考
15.
Research on Multi-channel Adaptive Active Noise Control Systems for Reducing Vehicle Interior Low Frequency Noise;
车内低频噪声多次级声源有源消声系统研究
16.
Measurement Analysis of Explosion Acoustic Source Level in Oceanographic Hydroacoustic Survey
海洋水声调查中爆炸声声源级的测量分析
17.
Acoustical Violence-Issues about the Sound Pressure Level of National Centre for the Performing Arts
声暴力——续谈“国家大剧院扩声声压级的讨论”
18.
Acoustics--Determination of sound power levels of noise sources using sound intensity--Part 2: Measurement by scanning
GB/T16404.2-1999声学声强法测定噪声源的声功率级第2部分：扫描测量