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學習目標:以日常生活實例體驗簡單說明聲音是因物體的振動而產生,並介紹振動頻率的概念。
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以日常生活實例體驗簡單說明聲音是因物體的振動而產生,並介紹振動頻率的概念。
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==Instructions==
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==說明==
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==Related Media==
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==相關媒體==
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<div id="rod-original-content">&nbsp; &nbsp; </div>
 
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{{DISPLAYTITLE: How are sounds made?}}
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[[Category:原創內容]]
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{{DISPLAYTITLE: 空氣柱與水柱之振動}}
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