- 問題詳情:LouisBraillewasablindmanandheinventedthecodefortheblind.Hiscodegavewindowstotheblind.Intheyear1812,LouisBraillewasaverysmallboy.Helivedinasmalltown.Hisfatherhadasmallshop.Oneday,Louiswasplayingintheshopandpickedupasmalltoolwithaverysharppoint...
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