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EP 66 你聽的到「蚊式噪聲」嗎？聽不到代表你可能老了！ 粉絲專頁:https://www.facebook.com/scientists543/ 蚊式噪聲是一種高頻的聲音，隨著年齡越高，人類耳朵就有可能聽不見高頻的聲音！ 人類的耳朵裡頭有許多的纖毛，人類透過聲音傳進耳朵裡使纖毛震動，再將這些訊號轉成神經的電訊號，人類才能夠聽到聲音。 把水倒入水瓶時，發出的聲音會隨著水瓶內的空氣柱變小，導致震盪頻率越來越高，使得發出的聲音變高！ 物體的發出來的聲音跟物體尺寸有關！ 本集以聲音的頻率，聊聊物體發出的聲音與尺寸的關係！ ＃蚊式噪聲＃耳朵 -- Hosting provided by SoundOn
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