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　　The research project jointly developed by Pan Wei, a graduate student of Nongda University, and Yang Fendou, a professor of agricultural science, has caused serious problems, which led to the destruction of the professor's hard work for many years and fell ill due to this huge stimulus. However, through the unremitting efforts and research of Niu Lingling and the younger brother, I finally found the problem, and told him the good news before coming to the professor's bed!