声学

In acoustic application, we deposited diamond on semisphere Ti diaphragm, and produced a high quality loud speaker.

在声学方面，我们成功地在球顶形钛振膜上涂覆上了金刚石，制成质量较高的扬声器。

Dynamic balancing; Vibration system; Flexure hinge; Instantaneous motion center; Plane separation; Force relation; Modal analysis; Empirical modal decomposition; Adaptive lattice notch filter; Phase difference correction

工程科技II，工业通用技术及设备，声学工程动平衡；振动系统；柔性铰链；瞬时运动中心；平面分离；关联效应；模态分析；经验模态分解；自适应陷波；相位差校正

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。

A silent communications system in which nonaural carriers, in the very low or very high audio-frequency range or in the adjacent ultrasonic frequency spectrum are amplitude- or frequency-modulated with the desired intelligence and propagated acoustically or vibrationally, for inducement into the brain, typically through the use of loudspeakers, earphones, or piezoelectric transducers.

一个沉默的联系是不承载听觉，在非常低或非常高音频范围里，或在邻近的超音速的频谱中，这是广阔的-或带有期望的智能并且传播声学的频率调节或振动，为了刺激大脑内部，典型的是通过利用扬声器，耳机，或压电式换能器。

The test acoustic element could be a simple component or a complex exhaust system.

待测的声学元件可以是简单的组件也可以是复杂的排气系统。

Structure; sound radiation ; boundary element; singular integral ; multi-frequency calculation; sound radiation mode ; sound radiation sensitivity

工程科技II，工业通用技术及设备，声学工程结构；声辐射；边界元；奇异积分；多频计算；声辐射模态；声辐射灵敏度

Practice shows that slotting and filling materials effective way of reducing vibration and noise.

由于开槽锯片振动过程中复杂的力学、声学问题，人们对其振动与噪声特性机理的探讨较少。

Phys. The science of matter and energy and of interactions between the two, grouped in traditional fields such as acoustics, optics, mechanics, thermodynamics, and electromagnetism, as well as in modern extensions including atomic and nuclear physics, cryogenics, solid-state physics, particle physics, and plasma physics.

物理，物理学：有关物质和能量及两者之间相互作用的科学，传统上分为声学、光学、机械学、热力学和电磁学，现今又扩展到包括原子物理、核物理、低温学、固体物理学、微粒物理学和等离子体物理学

The sound velocity is one of the most important acoustic parameter in ocean sonar.

声速是海洋声呐测量中最重要的声学参数之一。

How to calculate diffracted attenuation accuratly in this case is the important part of sound barrier design.

公路上设置的声屏障的长度一般为有限长，如何准确的计算出此种情况下声屏障的绕射衰减，是声屏障声学设计的关键。

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。