开始:VCALENDAR版本:2.0 PRODID:-//hacksw/handcal//NONSGML v1.0//EN CALSCALE:GREGORIAN BEGIN:VEVENT DTSTART:20190107T100000Z DTEND:20190107T100000Z UID:63bc4a239e818 DTSTAMP:20230109T190851Z位置:描述:摘要:正思研讨会结束:VEVENT结束:VCALENDAR