wave length of sound 中文意思是什麼
wave length of sound
解釋
聲波波長-
The wave length of infra - sound is quite long : typical infra - sound from the eye of a typhoon has a 4 to 8 second cycle 0. 25 to 0. 125 hz, meaning that its wavelength is a few kilo - metres long
次聲波的波長很長,例如臺臺風眼所產生的次聲振動周期約秒0 . 250 . 125赫茲,波長便可達數公里。 -
The frequency, wave length and speed of sound are closely related
聲音的頻率、波長和速度三者是密切相關的。 -
( b ) the frequency, wave length, and speed of sound are closely related
聲音的頻率,波長和速度三者是密切相關的。
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