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In the electronic information age,I have designed an automatic access umbrella in an interactive way. Using a small electronic card,you can get an umbrella if necessary.If you dont return the umbrella, the electronic card cannot be used any more.In this way,people can not only get an umbrella when it is rainy,but also the umbrella is not casually abandoned by the users.
Jilin animation institute
Shufu Liu,Xiaoyun Xu,Jianqi Zheng