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yazhuge:目镜的放大率是250/焦距!这是基本知识,你还是好好看看应用光学吧~ (2009-10-09 18:46) 4}B9y3W:v
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引用第1楼yazhuge于2009-10-09 18:46发表的 : .-[uQtyWW 目镜的放大率是250/焦距!这是基本知识,你还是好好看看应用光学吧~ [OFg (R-
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