Unfortunately, only after online first article publication, it was noticed that the first four sentences in footnote two were incorrect.

中文翻译：

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更正：海因里希·赫兹 (Heinrich Hertz) 在 1887 年至 1888 年间对电波的发现

不幸的是，直到在线第一篇文章发表后，才注意到脚注二的前四句话是错误的。