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Blind people in the society, it is a group of high-profile, because eye blindness, in life there are a lot of inconvenience, such as the blind man want to see the world, like normal people surf the Internet or the blind writer to write a book for them is a relatively difficult, so I design a product, according to the existing technology of ups and downs can be touched by using cylindrical shape, better feeling in the world for the blind.
Dalian Minzu University
Dalian Nationalities University