声学的

You dialed the computer's number and then placed the hand set into the acoustic coupler and you were ready to go.

你拨打电脑的号码，然后放入声学耦合器设置手，你准备去。

Theoretical analysis and calculation on the acoustic properties of perforated panel absorber were described herein.

文章对穿孔板背面紧贴吸声薄层时的声学特性进行了理论分析与计算，并与实验结果作出比较。

Studied every acoustic and vibration characteristics of vehicle system making use of the SEA car model that had been established. Utilizing the specialty of SEA, contrasted the acoustic contributing of panel in every frequency bands by comparing the radiant energy into cab directly with creativity. Compared the effects of every type of factors on the interior acoustic environment of car.

七、利用建立的统计能量分析模型进行车辆系统各个声振特性的分析，研究车辆行驶速度和行驶路面的等级等因素对车内声学环境的影响；利用统计能量分析方法的特点，创造性地通过直接计算仿真实际工况下各个部件对车内辐射能量的对比进行板件各频带声学贡献的分析。

This paper has studied the feasibility of non-diffracting beams applied in the acoustic wave fields.

本文研究了无衍射波束在声学领域的可行性。

An audio wave is a one-dimensional acoustic wave.

声波是一维的声学''。

This paper reports study results of these new acoustic data.

本文报道了对上述声学资料的研究结果。

However, I am very experienced in acoustic treatment, and particularly in bass traps.

但是，我非常有经验的声学处理，特别是在低音陷阱。

This article explains the basic principles of acoustic treatment.

本文介绍的基本原则声学治疗。

The finite element method and electro mechano acoustic method are used to analyse the mechanical performance,sensitivity,and frequency response of the condenser microphone .

针对所研制的电容式微传声器在理想模式下的工作原理，建立了有限元分析模型和声电模型，从理论上分析了器件的机械性能、灵敏度以及频响特性，得出了结构优化的设计原则，即要想得到高灵敏度的微传声器器件，必须考虑采用尽可能小的空气隙厚度和声学孔尺寸以及具有较小内应力的声学振膜。

Using fluid dynamics FEM (two dimensional, three dimensional andaxisymmetric) and three dimensional acoustic FEM in meticulous analysis ofexpansion muffler structure, this paper studies the influences of each mufflercomponents' position, dimension, form and quantity on the fluid dynamic andacoustic performances;therefore the paper indicates that the end of the intruding tubeis the linchpin of the fluid dynamic performance of the whole muffler structure, thespringhead of muffler fluid dynamic performance is the smoothness of air current, themain factor which affects the acoustic attenuation value of expansion chamber muffleris the grade of saltation of the section of air conducting access, and the attenuationvalue of specific frequency can be dramatically enhanced by carefully designing thelength of expansion chamber.

本文通过流体力学有限元方法和三维声学有限元方法对扩张腔消声结构的参数化模型进行了细致的分析，研究了这种结构的各个组成部份的位置、大小、形状和数量对其流体力学与声学性能的影响，指出插入管端口是影响整个结构流体力学性能的关键，消声结构流体力学性能的根源是气流通过时的平稳程度；影响扩张腔消声量的主要因素为声波传播通路截面突变的程度，并可以通过精细的设计扩张腔轴向长度获得宽频或指定频率消声量的大幅度提高。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。