In the summer of 2020, on the campus of Huaiyin Institute of Technology, there is such a group of college students actively preparing for the 6th China International “Internet+” College Students’ Innovation and Entrepreneurship Competition and the 12th “Challenge Cup” Jiangsu College Students’ Entrepreneurship Competition. In the daytime, they conduct experiments patiently again and again; in the tranquil nights, they stay calm and contemplate; and sometimes they even work around the clock, totally absorbed and careful about every detail…  

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