Documentary: visual presentation (such as a video, slide show, or computer project) no more than 10 minutes long.
纪实作品:不超过10分钟的视觉展示,例如播放视频,幻灯片或者演示计算机程序。
Explanatory titles are primers - quick summaries of the information on the slide (e.g. "Project costs for 2010 are well within budget").
解释性标题则是引子—快速地总结片子的信息(例如,“2010年成本未超预算”)。
Note: This option is available if you have not selected project or master slide background.
注意:如果你没有选择项目可主幻灯片背景则这个选项可用。
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