1.
acoustic impedance density
声阻抗密度，声阻抗率
2.
opposition to the flow of sound through a surface; acoustic resistance is the real component of acoustic impedance and acoustic reactance is the imaginary component.
声音在通过一个表面时受到的阻力；声阻是声阻抗的实部，声抗是声阻抗的虚部。
3.
Code for measurement of sound-absorbing coefficient and specific acoustic impedance of standing-wave meter
驻波管法吸声系数与声阻抗率测量规范
4.
A Study on Acoustic Impedance Matching Criteria for Coating Thickness Measurement by Ultrasonic Interferometry
超声干涉法涂层厚度测量声阻抗匹配判据研究
5.
Ultrasonic determination of carbon fiber composite porosity using acoustic impedance
碳纤维复合材料孔隙率超声声阻抗法检测
6.
Instruments for the measurement of aural acoustic impedance/admittance
GB/T15953-1995耳声阻抗/导纳的测定仪器
7.
IMPEDOMETRY (Analysis of 200 Normal Ears)
声阻抗测听(200只正常耳测试结果分析)
8.
In the equivalent electrical network the acoustical mass of acoustic leaks is very important for impedance over the range from 250 to 1000Hz under the leakage conditions.
在250～1000赫频段内,声阻抗主要由它决定。
9.
traumatic obstructive edema of glottis
外伤性声门梗阻性水肿
10.
infective obstructive edema of glottis
感染性声门梗阻性水肿
11.
sound surface wave band rejection filter
声表面波带阻滤波器
12.
Closure at some point in the vocal tract that blocks the flow of air in the production of an oral or a nasal stop.
阻塞在发鼻阻音或阻塞音时，声带的某一点闭合，阻止气流通过
13.
Performance of Sound-Absorbing Material Based on Flow Resistivity
基于流阻率的吸声材料声学性能研究
14.
A Study of the Acoustical Properties of Compound Impedance in Sound Absorbing Structure
阻抗复合吸声结构的理论与声学特性研究
15.
Studies of Acoustic and Flow Resistance Characteristics of Internal Combustion Engine Exhaust Silencers;
内燃机排气消声器声学和阻力特性研究
16.
Sound Insulation Properties of Layered Damping Stiffened Panels Acoustic Shield;
阻尼复合加筋板隔声罩的隔声性能研究
17.
External Impetance Network Used in Compensating Acoustics Energy Loss of Transducer in AO Device
阻抗网络补偿Hg_2Cl_2声光器件换能器的声能损耗
18.
shout sb down shout to prevent sb from speaking
大声喊叫以阻止某人说话