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電子學/電磁波
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外觀
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來自華夏公益教科書,面向開放世界的開放書籍
<
電子學
<
電子學/時間表
最初,人們認為無線電波透過以太傳播。
以太透過證明其不會流動而被推翻。
EM 波是穿行於自由空間的光子。
類別
:
書籍:電子學
華夏公益教科書