Group 1 - The practice team from Hefei University of Technology engaged in social practice in Hangzhou and Yiwu, bridging the gap between academia and industry [1] - At Silan Microelectronics, students observed an automated production line that captures nanometer-level parameter fluctuations, highlighting the importance of "closed-loop control" and "signal processing" in ensuring product quality [1] - At Hikvision's exhibition hall, students experienced advanced applications such as millimeter-wave radar and infrared thermal imaging, emphasizing the integration of application and system architecture design as key problem-solving skills [1] - In Yiwu's international trade city, a virtual anchor in an "AI digital person live broadcast room" showcased products, supported by robust data processing and user behavior analysis technologies, demonstrating the relevance of signal processing and pattern recognition in cross-border e-commerce [1] Group 2 - The practice experience was described as a profound lesson, revealing the capabilities of frontline enterprises and the potential for personal development [1]