V2EX infrasonic

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Infrasonic

释义 Definition

次声的；次声波的：指频率低于人类可听下限（约 20 Hz）的声音或声波。常用于地球物理、动物交流、工程监测等语境。（另有较少见的引申用法，但最常见的是与“低于可听范围的声波”有关。）

发音 Pronunciation

/nfrsnk/

例句 Examples

Infrasonic waves can travel long distances through the atmosphere.
次声波可以在大气中传播很远的距离。

The researchers analyzed infrasonic signals from the volcano to estimate the timing and intensity of the eruption.
研究人员分析了火山产生的次声信号，以估算喷发发生的时间和强度。

词源 Etymology

infrasonic 由前缀 **infra-**（“在……之下、低于”）和 sonic（“声音的；声波的”）构成，字面意思就是“低于声音（可听范围）的”，因此用来指代低于人类听觉阈值的声波及其相关现象。

相关词 Related Words

文学作品 Literary Works

Mary Roach, Spook: Science Tackles the Afterlife（提及低频与声学现象的讨论中会涉及次声/次声波相关内容）
Bill Bryson, A Short History of Nearly Everything（在科普语境中谈及地球、火山与大气等现象时可能出现相关术语与概念）
Jules Verne, Twenty Thousand Leagues Under the Seas（涉及海洋声学与声波传播的叙述语境中常与“声学/声波”相关词汇同场出现，部分版本/注释中会扩展到超声、次声等概念）

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