問題詳情
4.( )聲波在哪一種介質中傳遞速率最快？
(A)35℃空氣
(B)35℃的海水
(C)35℃的真空中
(D)35℃的鋼鐵
(A)35℃空氣
(B)35℃的海水
(C)35℃的真空中
(D)35℃的鋼鐵
參考答案
無參考答案
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