Scientists use infrasound to monitor volcanic activity.

科学家使用次声波来监测火山活动。

The military uses infrasound for various communication purposes.

军方使用次声波进行各种通信。

Elephants can communicate over long distances using infrasound.

大象可以使用次声波进行远距离交流。

Researchers are studying the effects of infrasound on human health.

研究人员正在研究次声波对人类健康的影响。

Some animals are sensitive to infrasound and can detect natural disasters.

一些动物对次声波很敏感，能检测自然灾害。

AIM To study the effect of infrasound on the hemorheology of rats.

目的研究次声对大鼠血液流变特性的影响。

You can scramble the brains of your enemy with a blast of infrasound.

强烈的次声波能给敌人的大脑造成混乱。

Elephants do that. Rhinos do that. Hippos do that. Crocodiles do that. Alligators do it. They produce infrasound.

大象就会用次声交流，犀牛也会。还有河马，鳄鱼，短吻鳄。它们都能发出次声波。

Objective To observe the sound attenuation effect of several kinds of hearing protectors (earplugs and earmuffs) in an infrasound generator sound field.

目的观察几种护耳器（耳塞、耳罩）对次声发生器次声场的隔声效果。

Objective To observe the sound attenuation effect of several kinds of hearing protectors (earplugs and earmuffs ) in an infrasound generator sound field.

目的观察几种护耳器（耳塞、耳罩）对次声发生器次声场的隔声效果。