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作業的100問題

Aug 19th 2013, 14:00

知識問題|

眼鏡到底是凹鏡還是凸境

001

回答者：	Jessie Lee ( 初學者 5 級 )
回答時間：	2013-08-19 22:18:42

其實是有分遠是和近視的，請看以下回答：
近視是使用凹透鏡縮小
遠視和老花是使用凸透鏡放大

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