查询词典 sound waves

In this paper, FT IR is used to investigate the effects of strong sound waves at different frequency and strength on the secondary conformation of the cell wall proteins of tobacco cells.

本论文采用傅里叶红外光研究烟草花粉细胞在不同频率和不同功率的强声波作用下，细胞壁蛋白质二级结构的变化。

The subsonic region is the exterior of the hole: Sound waves can propagate upstream but only at the expense of being stretched, like light being redshifted.

次音速的区域则对应到黑洞之外的时空：声波能够往上游传播，而唯一的代价是波长被拉长，就像光会被红移一样。

The radio is invisibles yet you hear it. It is a product of the law governing sound waves.

电波也是无形的，但是你却能听到它，这就是人们正确掌握了声波的原理带来的产物。

In this way, we can collect more sound waves. So we can hear more clearly.

这样，我们可以收集到更多的声波，从而可以听得更清楚。

For example, the velocity of the sound waves are a major factor.

例如，声波的速度是一个主要因素。

You can actually see all the little… all the little sound waves in here, see?

你能够基本上看见所有的小…小声音的波动在这里，看到没？

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。

When you express those thoughts aloud, you create sound waves, which are a form of energy.

当你大声表达这些思想时，你就制造了声波，声波就是一种能量。

What are the characteristics of sound waves underwater?

那么在水下的声波有什么特性？

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。