聲
顯示所有 11 個結果
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DIY擴音器
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DIY電子琴
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共振鼓
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喊泉
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聲懸浮
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鸚鵡學舌
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DIY 七彩聲樂管 (震動頻率與音調)
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DIY 八管排簫 (震動發聲,管長改變音階)
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DIY 橡筋四弦琴 (震動發聲)
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DIY 聲音的產生實驗套(幾種產生聲音的器材)
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DIY醫生聽筒 (固體導聲) stethoscope
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