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【2024桃園天文嘉年華】0718_動手作科學工作坊_光譜儀DIY
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Taiwan Space Union臺灣太空科學聯盟
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July 17, 2024
July 17, 2024
【2024桃園天文嘉年華】0718_動手作科學工作坊_光譜儀DIY
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