Article
無線電五"不" - Five "nos" about radio

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

Keywords: science, suggestion,

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Article
無線電控制無人軍艦 - A unmanned warship is controlled by wireless

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

Keywords: America, military, technology,

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Image
[No caption] -

Subject matters: Ornament,
Medium: Line drawing

Function: Unrelated to Article/Ad