Article
最小的收音機 - The smallest radio

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

Keywords: electric equipment, radio,

Persons:
迪拿 Di na (mentioned in article)

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Article
短波無線電 - The shortwave radio

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

Keywords: radiocommunication, technology,

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Image
[No caption] -

Subject matters: Ornament,
Medium: Line drawing

Function: Unrelated to Article/Ad