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Beijing Normal University
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education，E-commerce operation
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Freelancer Overview
Li Yichen graduated from Beijing Normal University in June 2025 with a bachelor's degree in Special Education. Coursework included pedagogy, educational psychology, anatomy and physiology, introduction to special education, braille, and sign language. During university, Li served as a freshman class assistant, helped new students adapt to campus life, and worked as a deputy minister in the faculty's New Media Center for one year. Li received multiple school scholarships and the National Scholarship, demonstrating consistent academic excellence.
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manual annotation of 500–1
From my experience, the most critical lesson is that data labeling is never just a one-time preprocessing task—it is the
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