觀看人次：
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機器人：在人體裡面，下列何者的口徑，約為奈米的量級呢？ A、紅血球 B、DNA分子 C、氫原子 D、針頭 答案是Ｂ，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: 47 min
發行: 2014-12
導演: 臺灣電視公司
片長: 24 min
發行: 2013-01
導演: 導演:瑪拉歐斯
片長: 23 min
發行: 2015-06
導演: 翰星傳播製作
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