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機器人：你知道「奈米腳踏車」嗎？它是用了什麼材料，才能讓它的耐用度增加，而且還比較輕呢？ A、奈米碳管複合材料 B、特殊鋁合金 C、以上皆是 答案是C，你答對了嗎？我們來看影片的解說。
#科學 #能源 #氣候 #科技 #自然
分級:
片長:
發音:
發行:
導演:
分級: 普遍級
片長: 1 min
發音: 華語
發行: 2018-01
導演: 安偉民
片長: 21 min
發行: 2015-06
導演: 翰星傳播製作
片長: 23 min
片長: 22 min
發行: 2023-11
導演: 製作：百禾文化資訊有限公司
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