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Did you know? A programmer in Hangzhou, Zhejiang Province has created a program that translates braille into Chinese characters. That sounds very useful. Braille is designed specifically for  the blind, but it is rather hard for the average person. to understand.Recognizing braille is very difficult, but it is also an indispensable means for blind people to communicate with the world. This is why this programmer wanted to make this translation tool.It must have been really hard to develop this translation tool, right?The programmer has continually worked on increasing the accuracy (n.准 确 率) of the program before he got the final product. lt was a great invention.