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Shaked-by-hand Device of Overweight and Weightlessness
Author(s): 
Pages: 24
Year: Issue:  2
Journal: Experiment and Equipment for Primary School

Abstract: 超失重演示的实验很多,但是能简单直观说明问题且易操作和制做的却很少.以下是我们设计制作的一种简单实用易制作的装置.……
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