开始:VCALENDAR版本:2.0 PRODID:-//hacksw/handcal//NONSGML v1.0//EN CALSCALE:GREGORIAN BEGIN:VEVENT DTSTART:20211102T080000Z DTEND:20211102T090000Z UID:e18856 DTSTAMP:20230301T031018Z位置:描述:特别嘉宾研讨会摘要:特别嘉宾研讨会结束:VEVENT结束:VCALENDAR