和声学

It is tied to grammar design and to the acoustic environment of the user.

它与语法的设计和声学环境的用户。

Reverberation is dependent only on the volume of a space and the acoustically absorptive quality of the rooms finishes.

混响是依赖于空间体积只有一个房间的装饰和声学吸收品质的影响。

For these panels to act properly, the sheathing before them had to be more than 50% sound permeable, which was accomplished by different manners of perforation and the use of acoustic materials.

对于这些小组采取适当行动，他们面前的护套，必须超过50％，良好的透气，是由不同的方式，穿孔和声学材料的使用完成。

The expedition team will fix the site of China's third scientific research station at the South Pole, a planned observatory with seven telescopes and one acoustic radar at Dome A, the highest point on the continent at 4,093 meters above sea level, said Chen.

陈副局长说："科考队在南极期间将在内陆的冰穹地区用7台望远镜和声学雷达进行观测考察，为中国在南极的第三个科研站选址。南极大陆的最高点为海拔4093米"

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。

They found M a ry, as usu a l, deep in the study of thorough- base .

她们发觉玛丽还像以往一样，在埋头研究和声学。

Evaluation of a thrust chamber assembly for combustion stability includes analyses for nonacoustic, hybrid and acoustic modes of instability.

评价一个推力室，供大会燃烧稳定性，包括分析nonacoustic ，混合和声学模式的不稳定。

For this reason, our objective of the present study is to establish the Chinese language data of cleft palate and give a theoretic support to clinical speech pathology by quantitative analysis of Chinese intelligibility and acoustic features of misarticulation in patients with velopharyngeal incompetence after palatoplasty.

故本研究以腭裂术后腭咽闭合功能不全(Velopharyngeal Incompetence，VPI)患者为研究对象，建立其语音数据库，定量分析其语音清晰度和声学特征，为临床语音病理学提供理论依据和参考。

The finite element models of an engine block, oil pan, valve cover and gear cover were established by using the ANSYS software, and the calculation results were validated by the test results.

无论采用何种燃油供给系统和燃烧方式，都有必要对柴油机表面的振动特性和声学特性规律进行研究，在噪声向外传递的途径上最大限度地控制噪声水平。

Equivalent stretch elastic modulus E,sound reflection R and transmission coefficient T are calculated by the method of equivalent stiffness and transfer matrix separately.

通过试验获取了碳纤维、凯夫拉纤维、玻璃纤维、超高分子量聚乙烯纤维复合材料的力学性能和声学性能参数，在此基础上分别利用等效刚度法和传递矩阵法，对CF/UHMPEF、CF/KF、CF/GF混杂纤维复合材料的拉伸刚度、声反射系数和声透射系数进行计算。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。