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Under the guidance of the STEM concept, the project theme is designed based on the principles of project design, and the interdisciplinary knowledge points related to the theme are determined. Based on the project theme, the teaching design model of the STEM\u2010based robotics project was constructed. The analysis of the results showed that the STEM\u2010based middle\u2010school robotics project not only increased students\u2019 interest in robotics but also promoted their creativity, problem\u2010solving, teamwork, and communication skills, as well as their learning of other subjects. In this paper, an adaptive overflow\u2010aware loss amplification strategy is proposed, which effectively alleviates the training nonconvergence problem caused by gradient overflow in mixed accuracy training. 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