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电子学/电磁波
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外观
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隐藏
来自维基教科书,面向开放世界的开放书籍
<
电子学
<
电子学/时间表
最初,人们认为无线电波通过以太传播。
以太通过证明其不会流动而被推翻。
EM 波是穿行于自由空间的光子。
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书籍:电子学
华夏公益教科书