Applicable industries work report/project report/summary/New Years annual meetingThe user can demonstrate on a projector or computer01The user can demonstrate on a projector or computer02The user can demonstrate on a projector or computer03The user can demonstrate on a projector or computer04The user can demonstrate on a projector or computer05目 录The user can demonstrate on a projector or computer, or print the presentation and make it into a film to be used in a wider field用户可以在投影仪或者计算机上进行演示也可以
