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After purchasing ticket, blind person usually forget the information of ticket, so they have to ask people for help. But, it is difficult to relay ticket information to them. Now, as a way to take care of them, the braille ticket will help them understand the ticket information at any time.
Nanchang University
NanChang, China
heqi zhao,
Nanchang university
jie lin
weitong sun
yu/an shu
