查询词典 sound wave

A decrease in density and pressure in a medium, such as air, caused by the passage of a sound wave.

稀薄化介质中密度和压力的下降，例如在空气中，由于声波的穿越而发生

Aiming at some characteristics of liquid asphaltum as more viscosity, higher temperature and lesser fluidity, the principle of a new type measuring range system with sound-wave for measuring level of material of liquid asphaltum is researched.

针对液态沥青粘度大、温度高、流动性差的特点，对实现其料位检测的一种新型声波测距系统的机理进行了研究。

The influence of the bended sound wave paths on the reconstruction precision is researched in this paper.

本文还对影响温度场重建精度的另一重要因素—声波的弯曲效应作了研究分析。

After the section of right side NXIIts in Budgerigar in the original sound wave\'s expanded time window, the higher amplitude pulse and the lower amplitude pulse exchanged alternately and also the higher amplitude is approximately as twice as the lower amplitude. The above outcomes show that NXIIts is most important in controlling the tone varieties and the numbers of the harmonic parts and the course of the vocal control maybe a process of alternative replacing.

NXlltS可能在控制其鸣声的音调变化以及影响其呜声的谐波数量上起到一定的作用，其控制区发声的过程很可能具有交替更换的特性。

The irregular corrugation of inside wall prevents the focus of sound wave.

内壁不规则的波状形式避免声波的焦点。

The area that has pulse drive only connects means to give out the device that choose frequency, like exterior sound wave the time domain of filter and antenna is answered.

只存在脉冲激励的带通体例给出选频安装，如概况声波滤波器和天线的时域响应。

The noise radiation of the gear case is estimated by a special method, in which, the impact of the vibration phase of each partial surface and the time of the sound wave from the surface to the position at which the noise is calculated are taken into account.

考虑到噪声辐射面各部分的振动相位和声波从它们传播到计算噪声点的时间互有区别，使用了在复数域迭加声波的辐射噪声计算方法。用这种方法计算了齿轮箱的辐射噪声分布。与已有的理论和试验结果进行了对比。

The dark matter only interacts gravitationally and so it stays at the center of the sound wave, the origin of the overdensity.

暗物质仅通过引力进行相互作用，所以其呆在声波的中心，也即声波起源的高密度区域。

The distribution of thermoacoustic field under different irradiate frequency was analyzed. And the same time, we observed the process of sound wave propagation in biological tissues.

分析了不同频率微波照射下模型组织内热声场的分布，并模拟了声波在组织内的传播过程。

Soundplant plays sound files using the computer keyboard as a live instrument Soundplant can be used to mix tracks in realtime, to quickly s...

Soundplant的作用就是给你的每一个键定义一个wave文件，按一下键盘就发出一个声音，实时多轨操作。

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。