声波

Fathometer: A device for measuring water depth by timing sonic reflections from the water bottom; an echo sounder.

通过计算声波从水底返回时间来测量水深的一种仪器；回声测深仪。

At first, basing on the boundary value problem concerned with fluid-composite structure interaction and characteristic of acoustic wave radiation, a generalized Hamilton variational principle is derived, and the equations of motion based on the finite element method is also derived.

首先，从复合结构与流体相互作用问题的有关混合边值问题出发，针对声波辐射特点，推导了一种广义形式的Hamilton原理及有限元形式的运动方程。

The refraction, reflection and propagation of the acoustic wave in a rod are studied quantitatively when a line-focused probe is employed in an axial scanning in immersion testing. The shape and position of the first and second focal line of the probe in the cylinder are calculated.

定量研究了采用线聚焦探头、液浸法、轴向扫描探伤时，棒材中声波的折射、反射和传播规律，计算得到了工件中的一次焦线和二次焦线的形状和位置。

The six species of bats includes Myotis frater,Ia io,Myotis myotis luctuosus,Myotis daubentoni,Myotis fimbriatus and Murina leucogaster.Pearson coefficient (one of correlation analysis methods in SPSS10.0 software)has been adopted to analyze the interspecific relationship between the dominant frequency and body size.

测定了6种蝙蝠科蝙蝠：长尾鼠耳蝠、南蝠、大鼠耳蝠、水鼠耳蝠、毛腿鼠耳蝠、白腹管鼻蝠的回声定位声波特征及体型参数。

Using the time-gain compensation technique to compensate for ultrasonic wave's weaking when transmitting in the air,and reduce the fluctuation of echo signal.The peak time detecting circuit which is composed of full-wave rectification circuit and differential circuit can detect the reach time of echo signal accurately.

和其他方法相比，如激光测距、微波测距等，由于声波在空气中传播速度远远小于光线和无线电波的传播速度，对于时间测量精度的要求远小于激光测距、微波测距等系统，因而超声波测距系统电路易实现、结构简单和造价低，且超声波在传播过程中不受烟雾、空气能见度等因素的影响，在各种场合均得到广泛应用。

The method has been applied in the data processing and interpretation of full-wave acou...

用声波全波测井资料计算地应力以分析有关岩石物性参数的方法技术，对华北地区某口井的实测全波测井资料进行了处理解释，取得了比较好的、具有实用价值的结果

A geometrical increase in the number of sonic textures that can be produced.

几何数量的增加声波的纹理，可以生产。

The following figure demonstrates the airflow velocity around the glottis and the voice signals measured around the mouth.

下面这一张图，显示声门附近的空气流速，以及最后在嘴巴附近所量测到的声波

By moving and relating these objects, representing components of aclassic modular synthesizer, users can create complex and dynamic sonictopologies, with generators, filters and modulators, in a kind oftangible modular synthesizer or graspable flow-controlled programminglanguage.

移动及有关这些物体，代表组成的一个典型的模块化合成器，用户可以在复杂和动态的声波拓扑，发电机，过滤器和调制器，在一种有形的模块化合成器或graspable流量控制的编程语言。

By moving and relating these objects, representing components of a classic modular synthesizer, users can create complex and dynamic sonic topologies, with generators, filters and modulators, in a kind of tangible modular synthesizer or graspable flow-controlled programming language.

用户可透过音色样本、过滤器和调制器创造复杂和富动感的声波。此作品是一部触得到的模块合成器，或可称为控制流程的编程语言。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。