1.
Studies implemented clear sound signals propagation by Loudspeaker System at high SPL and long distance
实现扬声器系统高声压级与远距离清晰传声的应用探讨
2.
Aerodynamic Performance Research on Transonic Hige Pressure Stage of Air-Cooled Turbine
跨声速高压气冷涡轮级气动性能研究
3.
A-weighted equivalent continuous sound pressure leve
Ａ加权等效连续声压级
4.
Ultrasonic Investigation of the Correlation between Hypertension and Carotid Artery Atherosclerosis;
不同级别高血压与颈动脑粥样硬化相关性的超声研究
5.
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
6.
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”
7.
To raise in condition, rank, or esteem.
提高地位，级别，声望
8.
passive advanced sonobuoy
被动式高级声呐浮标
9.
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
10.
Determination of transformer and reactor sound levels
GB/T7328-1987变压器和电抗器的声级测定
11.
Novel primary series matching scheme for piezoelectric ultrasonic transducer
压电超声换能器初级串联匹配新方法
12.
Dipole Source Identification in Last Stage of Propylene Compressor
丙烯压缩机末级偶极子气动声源识别
13.
Metal-cutting machine tools--Measurement method of sound pressure level
GB/T16769-1997金属切削机床噪声声压级测量方法
14.
Acoustics--Reference equivalent threshold sound pressure levels for pure tones and insert earphones
GB/T16402-1996声学插入式耳机纯音基准等效阈声压级
15.
Noise Level Prediction of Gear Transmission System due to Vibration and Sound Signals
基于振动噪声信号的齿轮传动系统声压级预测
16.
Effects of infrasound with low sound pressure level on rats with cerebral ischemia-reperfusion injury
低声压级次声对大鼠脑缺血再灌注损伤的影响
17.
Limits of sound power level for noise emitted by air compressors (for power source use) and diaphragm compressors
GB7786-1987动力用空气压缩机和隔膜压缩机噪声声功率级限值
18.
The Peak Pressure Formula for the Acoustic Effect of the Energy Charged Particles
高能荷电粒子声效应的声压峰值公式