1.
Discussion of the Maximum Sound Level for Performance in The National Centre for the Porforming Arts;
国家大剧院演出最大声压级限制的讨论
2.
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”
3.
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
4.
Effects of low decibel infrasound on heart function after acute myocardial infarction in rats
低声压级水平次声对心肌梗死大鼠心功能的影响及机制
5.
A-weighted equivalent continuous sound pressure leve
Ａ加权等效连续声压级
6.
a superpower summit
超级大国最高级会议.
7.
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
8.
A multiobjective optimization for a two-stage axial-flow compressor design was performed for maximization of the overall adiabatic efficiency and the total pressure ratio.
针对一台两级轴流压气机,选定优化设计的目标是最大的总压比和最高的总绝热效率。
9.
A study on dose-effect relationship of the cracking sounds and the biggest pressure by the manipulation of palm-pressing on thoracic vertebrae
胸椎掌按法所致“咔哒”声响与最大按压力的量效关系
10.
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
11.
The youngest children are in the first form, the oldest in the sixth form.
最小的儿童上一年级, 最大的上六年级.
12.
Determination of transformer and reactor sound levels
GB/T7328-1987变压器和电抗器的声级测定
13.
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
14.
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
15.
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
16.
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
17.
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
18.
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