Article
考察火星的最新計劃 - The latest plans for inspecting the planet Mars

Subject matters: 新聞 - news, 新知 - new knowledge,
Language level: Baihua

Keywords: science, Mars, astronomy,

Persons:
梓生 Zi Sheng (Author)

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Article
電氣與蚯蚓 - Worms and electronics

Subject matters: 新知 - new knowledge,
Language level: Baihua

Keywords: science, animals, technology,

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