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shi yong ji he hua ban ru he zhao chu yi zhi tuo yuan de zhong xin
Author(s): 
Pages: 23-23
Year: Issue:  4
Journal: ZHONGXUE SHUXUE ZAZHI(GAOZHONG BAN)

Abstract: 已知椭圆,如何确定它的中心?这个问题有很强的实际意义,比如给出一个大口径的封头,我们要根据它的中心来设计其它配套产品。本文使用几何画板,介绍一种寻找椭圆中心的初等方法。
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