These Raptors could pick up low frequency sound.

这些迅猛龙可以听到低频声音。

We can know actually model the kind of sound that resonating chamber would make and turns out the deep sound, low frequency sound.

我们可以模拟出共振腔所发出的声音然后制造出低音，低频的声音。

The researchers lowered a loudspeaker that admits a low frequency sound about one thousand meters beneath the ocean.

研究人员降低了一个扩音器的音量 该扩音器可以接收海洋下一千米的低频声音。

You know, not all the sounds in the airplane, but that general rumble, those low frequency sounds you're trying to get rid of, they're pretty predictable.

你知道，不是飞机上所有的声音，但是一般的隆隆声，那些你试图消除的低频声音，它们是可以预测的。

The eerie low frequency sound was picked up by hydrophones, and sounded similar to an oxygen bubble rising up from the water towards the surface.

这种怪异的低频声音被水听器接收到，听起来就像一个氧气泡从水面上升到水面。