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発光ダイオード

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A Light Emitting Diode (LED) is a tiny electronic light that makes a big difference. Discover its colors, history, everyday uses, safe kid-friendly demos, and stories for ages 3 to 12 on Storypie. 子供向け科学

発光ダイオード（LED）：小さな光、大きなアイデア

発光ダイオード（LED）は大きな違いを生…

Jaikaran Sawhny

Jaikaran Sawhny

4月 11, 2026 •
1 分で読める

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