声波

Where there is a sound, there must be sound waves.

有声音的地方，一定有声波。

We cannot see sound waves as they travel through...

声波在空气中传播时，是看不见的。。。

This enables them to collect more sound waves and thus hear better.

这使它们能收集更多的声波，从而听得更清楚。

Sound is the vibration of sound waves is a physical energy.

声音是声波的振动，是一种物理能量。

We cannot see sound and waves as they travel through air .

声波在空气中传播时是看不见的。

What are the characteristics of sound waves underwater?

那么在水下的声波有什么特性？

There are various ways to measure distance, including ultrasonic sound waves and infrared light.

有各种不同的方法来测量距离，包括超声波声波和红外光。

When you talk , you set up sound waves .

当你说话时，在你的发音部位就形成各种异样的声波。

We know light waves are different in frequency just as sound waves are.

我们知道光波像声波一样在频率方面是不同的。

The sparker was originally developed for fundamental studies of underwater sound propagation and of subbottom geology.

火花发生器原来是为了进行关于水下声波传播及海底地质的基础性研究而制造的。

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。