开始:VCALENDAR版本:2.0 PRODID:-//hacksw/handcal//NONSGML v1.0//EN CALSCALE:GREGORIAN BEGIN:VEVENT DTSTART:19691231T170000Z DTEND:19691231T170000Z UID:e16620 DTSTAMP:20230102T034410Z位置:描述:SAAC会议2021摘要:SAAC会议2021结束:VEVENT结束:VCALENDAR