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David Hoffman：人造衛星狂熱
431,312 plays
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David Hoffman
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TED2007
• March 2007
Read transcript
電影製作人David Hoffman介紹了他所拍的紀錄片”史潑尼克衛星狂熱”，這部紀錄片顯示1957年蘇聯所發射的史潑尼克一號人造衛星，對於全球在太空競賽、武器競賽以及新興科技及數學教育方面的影響。
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