觀看人次：
631
機器人: 雷達偵測範圍內偵測不到的飛機，但肉眼卻看的到，我們稱為隱形飛機，為什麼雷達偵測不到呢，請做答？ A、機身上塗黑色的漆 B、機身上塗吸收電磁波的奈米漆 C、機身上裝了奈米碳管 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: 24 min
發音: 華語
發行: 2013-01
導演: 導演:瑪拉歐斯
片長: 48 min
發行: 2017-06
導演: 美國國家地理頻道 製作
片長: 23 min
片長: 1 min
發行: 2018-01
導演: 安偉民
片長: 22 min
發音: 英語
發行: 2019-04
導演: 史提夫斯潘格勒 主持
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