Copyrights & Patents VAR Copyright Table Tennis Assistant Referee System 流水号:2020R11L634269 DDS Copyright DDS_ Intelligent diagnosis system (智能诊断系统)(流水号:2020R11L634180 SJ Copyright Automatic order analysis system (自动点餐分析系统(流 水 号:2020R11L031964) SLAS Copyright Self-Lecture Attendance System 自学考勤系统,[简称:SLAS],登记号:2020SR0058411 A2S Copyright Automatic time and attendance system (自动点餐系统)流水号:2020R11L642900 Published Books