开始:VCALENDAR版本:2.0 PRODID:-//hacksw/handcal//NONSGML v1.0//EN CALSCALE:GREGORIAN BEGIN:VEVENT DTSTART:20230419T110000Z DTEND:20230419T120000Z UID:e21169 DTSTAMP:20221218T214627Z位置:Gerhard M.J. Schmidt讲堂描述:TBA摘要:TBA结束:VEVENT结束:VCALENDAR