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光聲電

顯示第 1 至 24 項結果，共 85 項

DIY下雨警報器 DIY Rain Alarm
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DIY多面鏡
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DIY太陽爐複雜版
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DIY導電儀(檢測導電體)
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DIY拉線發電機
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DIY擴音器
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DIY檯燈
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DIY視覺錯覺陀螺
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DIY電子琴
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三維立體畫
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交通燈 (閉合電路,認識電能發光)
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光學轉盤
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共振鼓
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哈哈鏡
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喊泉
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地震報警儀 (振動使電路閉合發出警報)
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手電筒（電筒結構,閉合電路)
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時光隧道
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激光的反射與折射
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無皮鼓
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發泡膠切割機 (電通過導體時,導體會發熱)DIY Foam Cutting Machine
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科學多像鏡
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穿墻而過
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簡易導電實驗 (閉合電路, 通電令蜂鳴器響)
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