从单个气泡的存在形式及其物理意义出发，针对水中声波对气泡的作用，进而形成的共振现象，阐述了气泡的“消声”特点。
Basing on the form of a single bubble and the resonance phenomenon caused by the effect of sound waves on the bubbles in water, the paper expounded "deaden sound" character of bubbles.
它对震动和海水中传播的声波都非常敏感。
It is very sensitive to vibrations, to sound energy traveling through the seawater.
多普勒计程仪是根据声波在水中的多普勒效应原理而制成的一种精密的测速和计算航程的仪器，它是船用导航设备的重要组成之一。
Doppler log is a precise instrument, which is used to measure ship velocity and calculate its voyage on the theory of Doppler Effect of sound wave in water.
在液氮及水中进行了有限振幅声波的实验，观察到了次谐波分岔现象，得出了分岔谱。
The phenomenon of subharmonic bifurcation is observed in experiments of sound wave of finite amplitude, which are performed in liquid nitrogen and water, respectively. The power spectrum is obtained.
回声测深仪是用来测量水深的一种声学测量设备，其以水中超声波的传播速度为确定条件，利用发射波与反射回波时间差来测量水深。
Echo Sounder is a kind of acoustic measuring depth equipment, which can measure depth with the time between transmitted wave and echo on condition in which the speed of ultrasonic is fixed.
介绍了用超声波振荡法能使可吸入颗粒物中的阴离子完全溶解在水中，然后用离子色谱法测定，可获得良好的准确度和精密度。
Anion in inhalable particulate matter can be completely dissolved in water by using ultrasonator and then measured by ion chromatography. Good accuracy and precision can be obtained.
结果表明：空气中风速剖面和声速剖面对空气中声传播有很大影响，但对于透射进入水中的声波影响很小。
The results show that wind and the sound speed profile have little influence on air-to-water sound transmission.
测量的航速、航程与船舶实际的航速、航程存在的误差，主要是由于超声波在水中的传播速度发生变化引起的，误差相对较小。
Measuring the speed, range and the actual speed of the ship, the range of error was mainly due to the spread of ultrasound in the water caused by the change in speed, the error is relatively small.
超声波具有指向性好，在水中衰减小，束射特性优良。
Ultrasonic has a good pointing, the attenuation in water is small, beam radio feature fine.
以超声波为辅助工具，分别研究阳离子、阴离子型等表面活性剂在水中对碳纳米管分散性的影响，进而研究两种表面活性剂复配后对碳纳米管分散性的影响。
With the supersonic as a supplementary tool, the effects of cationic and anionic surfactants, and their mixtures on the dispersion of carbon nanotubes were studied in the solvent of water.
首先将使用后的骨科整形手术器械浸泡在无菌蒸馏水中，然后用超声波机进行震荡，再搅动。
The orthopedic surgical instruments were immersed, after their use, in sterilized distilled water, sonicated in an ultrasonic washer, and posteriorly agitated.
首先将使用后的骨科整形手术器械浸泡在无菌蒸馏水中，然后用超声波机进行震荡，再搅动。
The orthopedic surgical instruments were immersed, after their use, in sterilized distilled water, sonicated in an ultrasonic washer, and posteriorly agitated.
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