V2EX infrasound

Infrasound

定义 Definition

次声:指频率低于 20 Hz、通常低于人类听觉下限的声波。人耳一般听不到,但可能被身体“感觉”到(如压迫感、振动感)。也常用于地震、火山、雷暴、海浪等自然现象监测,以及某些工程与动物沟通研究中。

发音 Pronunciation (IPA)

/nfrsand/

例句 Examples

Infrasound travels long distances through the atmosphere.
次声可以在大气中传播很远的距离。

Scientists used infrasound sensors to detect the eruption even when clouds hid the volcano.
即使云层遮挡了火山,科学家仍用次声传感器探测到了喷发。

词源 Etymology

infrasound 由前缀 **infra-**(拉丁语来源,意为“在……之下、低于”)+ sound(声音)构成,字面意思就是“低于可听范围的声音”,用来强调其频率低于人类可听的声音。

相关词 Related Words

文学作品 Literary Works

  • 《侏罗纪公园》 (Jurassic Park) Michael Crichton(常见于与低频振动、远距离声波感知相关的语境中)
  • 《白鲸》 (Moby-Dick) Herman Melville(涉及海洋、风暴与“低沉轰鸣”描写的语境中常被讨论为近似次声的体验)
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