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infrasound

听听怎么读

英 ['ɪnfrəsaʊnd]

美 ['ɪnfrəˌsaʊnd]

是什么意思

n.

次声（风暴产生的低频音波）；

英英释义

Infrasound

Infrasound, sometimes referred to as low-frequency sound, is sound that is lower in frequency than 20 Hz (Hertz) or cycles per second, the "normal"limit of human hearing. Hearing becomes gradually less sensitive as frequency decreases, so for humans to perceive infrasound, the sound pressure must be sufficiently high.

以上来源于:Wikipedia

学习怎么用

权威例句

Infrasound
Infrasound
Infrasound from earthquakes
Atmospheric Infrasound
Infrasound and the Avian Navigational Map
Atmospheric infrasound. Phys Today
Global morphology of infrasound propagation
Infrasound detection by the homing pigeon: A behavioral audiogram
Global morphology of infrasound propagation. J. Geophys. Res 108:ACL13.1-ACL13.12
Responses of the ear to low frequency sounds, infrasound and wind turbines

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