n.次声

Infrasound is sound waves with frequencies below the lower limit of human hearing, typically around 20 Hz or lower.
次声波是指频率低于人类听觉下限，通常在20赫兹或更低的声波。
The monitoring system detected infrasound signals emanating from the volcanic eruption.
监测系统探测到来自火山爆发的次声信号。
Some animals, like elephants, can communicate over long distances using infrasound.
一些动物，如大象，能够利用次声进行远距离交流。
Scientists have studied infrasound as a means to predict natural disasters such as earthquakes and tornadoes.
科学家研究次声作为预测地震和龙卷风等自然灾害的一种手段。
The low-frequency infrasound generated by wind turbines can sometimes cause discomfort for people living nearby.
风力涡轮机产生的低频次声有时会给附近居民带来不适。
The military uses infrasound sensors to detect distant aircraft and missiles.
军方使用次声传感器来探测远处的飞机和导弹。
Infrasound played a significant role in the investigation of unexplained phenomena, including alleged hauntings.
在调查包括所谓闹鬼现象在内的未解现象时，次声发挥了重要作用。
A recent study found that infrasound exposure can lead to changes in human physiological responses.
最近的一项研究发现，暴露于次声可能会导致人体生理反应发生变化。
Researchers installed infrasound detectors in various locations to monitor nuclear tests conducted worldwide.
研究人员在不同地点安装了次声探测器，以监测全球进行的核试验。
The effects of infrasound on marine life are an emerging area of concern in underwater acoustics research.
次声对海洋生物的影响是水下声学研究中一个新兴的关注领域。