查询词典 sound wave

Sound wave has both scalar quantity and vector field, while traditional acoustic pressure sensor system merely ma...

声波兼有标量场和矢量场，传统的声压水听器系统仅利用了其声压信息。

Vortical flow can be produced by the sound wave incident on a small orifice in some circumstances, which results in significant sound absorption.

在一定条件下声波入射在小孔上会激发出涡流，并引起入射声能的高效吸收。

Cased well ; sound wave ; wave train ; application ; interface ; bond strength

套管井；声波；波列；应用；界面；胶结强度

Vector acoustic field is a very important part of sound wave, but the vector information of acoustic wave has been unwitnessed for a long time.

矢量声场时声波场的重要组成部分，但在相当长的一段时间内没有受到重视，声波的矢量信息却被忽略了。

Sings the sound wave which the sympathetic chord is refers sings when sound production the breath impact vocal cord vibrates produces, through the vocal cord around muscle, the cartilage and the air transmission, causes the phenomenon which the mouth, cavity body and so on in the chest air produces resonates.

歌唱的共鸣是指歌唱发声时气息冲击声带震动产生的音波，通过声带周围的肌肉、软骨和空气的传递，使口、头、胸等腔体里的空气产生共振的现象。

The study on spectrum analysis of arc sound signal has showed that a signature band of 5-10kHz of sound wave would be generated before fault s arc take place, which is strong in intensity and variable in both width and center depending on arcing electrodes, space between electrodes, and discharge volt age.

早期弧声的功率谱分析表明，故障电弧发生之前，在可听波段产生5kHz~10kHz的电弧声，其带宽和中心频率与电极形状、放电距离、放电电压等试验条件有关。

Ultrasonics: Vibrational or stress wave s in elastic media that have a frequency above 20 kilohertz, the highest frequency of sound wave s that can be detected by the human ear.

超音波：弹性介质中的应力波，其频率在2万赫以上，最高频率超出人耳可听闻的声波频率。

To raise the sound intensity of the modulated aerodynamic acoustic source in low frequency region, the resonances in two resonance pipes, a straight pipe and a bi-curved horn were tested by forcing the airflow of sound wave to pass through them.

为提高调制气动声源在低频处的发声强度，将含声波的气流通过直管和双曲喇叭两种谐振管产生共振。

This paper presents the method of designing a acoustic sensor monitoring the shock wave and sound wave along with plasma produced in the process of interaction between short-pulse laser and teeth .

介绍了用于激光和牙齿作用后产生的等离子体监控的声学传感器的设计方法，可用于对激光作用过程的监控。

The external ear and the middle ear are the conductive device of sound waves. The internal ear functions to receive the sound wave and locate it.

外耳和中耳是声波传导的装置，内耳则除接受声波外，尚有位觉功能。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。