11

Mar

光的直進

Posted by thuhsd011  Published in 好演講

資料來源http://www.youtube.com/watch?v=aW-p4U8jIRE

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11

Mar

由地球看月亮

Posted by thuhsd011  Published in 好演講

資料來源http://www.youtube.com/watch?v=md4HoeljpyI

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10

Mar

大爆炸

Posted by thuhsd011  Published in 好演講

資料來源https://www.youtube.com/watch?v=yO9BwNWDfm4

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