声学的

A computational aeroacoustics approach is applied to studying sound propagation in subsonic and supersonic nozzle.

采用计算气动声学方法研究了管道近音速区的声传播和声波与激波的相互作用问题。

Diamond films have aroused many scientists interests for its remarkable properties in mechanics, thermology, optics, electrics and acoustics.

金刚石具有优异的力学、热学、光学、电学和声学性能，引起了各界科学工作者的广泛关注。

At first, an analysis on the realistic importance of the temperature field monitoring has been given, as well as the fundamental and the development of acoustic thermometry has been introduced in the paper.

首先，对温度场监测的现实意义进行了分析，并介绍了温度场声学测量方法的原理及发展情况。

To solve the compensation problem for nonlinear transformation of acoustic model parameter in noisy environment,Parallel Model Compensation and Vector Taylor Series compensation are two mainly used model parameter compensation methods which can only reach accuracy of first order linear approximation.

首先，本文介绍了我们所提出一种新的语音声学模型在噪声环境下的参数补偿算法—UT变换补偿算法。

Compared with the Upwind Scheme results and the theoretical values, it is showed that the LDFV scheme has the property of low dispersion and is suitable for aeroacoustic problem computation.

分别给出了远场和固壁的适用于气动声学计算的边界条件处理原则。

A method to calculate the volume of a computer model by vector analysis is introduced.

用向量几何的分析方法，推导了计算机声学仿真模型体积的计算方法。

The scattering intensity and the sound velocity of the acoustic phonon decrease with x.

实验还发现声学声子的散射强度和声速随Bi含量的增加而减少。

The program is suitable for use with acoustic and electric guitar, bass, mandolin, banjo, ukulele, bouzouki, violin, violoncello, and viola.

程序为使用是合适的带声学和电吉他，低音部，曼陀林，班卓琴，夏威夷的四弦琴，希腊曼陀琳，小提琴，大提琴，和中提琴。

The method and results provide significant guidance and valuable reference for auditoria acoustics design, improvement of room acoustical environment and environmental acoustics research and have wide application prospect.

本文的方法和结果对厅堂音质设计、室内声环境改善、环境声学研究等具有指导意义和重要参考价值，具有广阔的应用前景。

Due to their special network structures and larger specific surface area, the carbonized aerogel is widely used in the field of mechanics, acoustics, electricity, calorifics and optics.

由于其独特的网络结构和高比表面积，使得碳气凝胶在力学、声学、电学、热学以及光学等领域都有潜在的应用价值。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。