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Energy : Mysterious Light Sour...
出版日期：2014/06/15
作者：Yap Ming Yan
Young Scientists Pte Ltd / Yap Ming Yan
Energy makes changes and movement possible in everyday life. Man uses various forms of energy for many different purposes. Man is not the only animal ...
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Systems : Fast and Furious Car...
出版日期：2014/06/15
作者：Yap Ming Yan
Young Scientists Pte Ltd / Yap Ming Yan
Systems : Fast and Furious Cars - A system is a whole consisting of parts that work together to perform a function(s). There are natural systems as we...
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