Article
無線電小常識 - A few pieces of common knowledge about radio

Column title: 科學常識 - General scientific knowledge
Subject matters: 新知 - new knowledge,
Language level: Baihua

Keywords: general knowledge, suggestion,

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Article
簡易電池實驗法 - An easy experiment of battery

Column title: 科學常識 - General scientific knowledge
Subject matters: 新知 - new knowledge, 文章 - essay,
Language level: Baihua

Keywords: general knowledge, invention,

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Image
[No caption] -

Subject matters: Ornament,
Medium: Line drawing

Function: Unrelated to Article/Ad