Chebychev spectral elements approximation of the acoustic wave equation first-order Clayton-Engquist-Majda absorbing boundary conditions was derived.

Acoustic wave is the only information carrier which can propagate long distances in sea water.

声波是唯一能在海水中远距离传播的信息载体.

The result is consistent with the data of acoustic wave instrument.

反演结果与声学波浪仪观测数据比对,两者是比较一致的.

Piezoelectric ceramic is used widely for ultrasonic surface Acoustic wave touch screen.

压电陶瓷,广泛应用于超声波触摸屏.

A pulse acoustic wave and its relationship with OAO flurescence are recorded.

记录了CO_ 2脉冲激光激发BCl_3分子时形成的脉冲声波,及其与OAO荧光的对应关系.

The acoustical and communications engineer is concerned with the generation, transmission, and absorption of sound.

声学和通信工程人员研究的问题涉及声音的产生 、 传播和吸收等.

Household and similar electrical appliances-Test code for the determination of airborne acoustical noise-Part 2-7 : particular requirements.

家用和类似用途电器.气载噪声测定试验规程. 第 2-7 部分: 特殊要求.

Listening to jazz, classical, and roll, R & B, country, or folk is a kind of acoustical travel.

聆听着爵士乐 、 古典乐 、 摇滚乐 、 R & B 、 乡村乐或民俗音乐时,是一种听觉上的旅行.

Objective To understand minute anatomy and adjacent relationship of human internal acoustical meatus ( IAM ).

目的了解人类内听道的 微细 解剖,以及毗邻关系.

The result provides valuable reference for projects including noise control diagnosis acoustical environment design etc.

计算结果可为噪声控制、故障诊断、声环境设计等工程实际应用提供有价值的参考.

The relation between clay-bearing carbonate rock acoustical and lithological characters was investigated under the air-saturated condition.

考察在空气饱和状态下,含泥质碳酸盐岩声波性质与岩性特征之间的关系.

The pitch period and the spectral envelope of speech represent acoustical characteristics of the speech signal.

基音周期体现了发声过程肺部气流的周期性,而语音频谱包络是人的声道共振滤波特性在频域中的表现.

My factory, manufacturing and export the sale . 1 acoustical mineral fiber ceiling board.

我的工厂在中国制造和出口纸面石膏板,欢迎买主联系我们.

One of the dissatisfaction of office workers focuses on the acoustical environment.

开放式办公室声环境一直是办公人员最不满意的环境条件之一.

A reverb unIt'simulates the sound of different acoustical areas.

混响单元是模拟不同声学空间中的声音.

Supervision of acoustical and electrical measurement of transducers & systems.

管理变换器 及 系统的电子及声学方面的测试.

Vowels have something to do with glottal closure, therefore influencs acoustical measures.

结论:元音不同,声门闭合度存在差异, 进而影响声学测试的参数.

The relevance of acoustical principles is by no means limited to sound and hearing.

声学原理并不仅仅适用于声音和听觉.

This system can set up acoustical resonances.

这种系统能产生共鸣.

For example acoustical tile on a ceiling serves to reduce the propagation of sound.

比如,顶棚上安装吸音板就有助于减少声音的传播.

Lateral Attenuation of Aircraft Sound Levels Over an Acoustically Hard Water Surface.

在声学上硬水表面上方飞机声音强度的侧向衰减.