观看宣传片视频幻灯片诺基亚6700 和诺基亚7230以下。

Watch the promo video of Nokia 6700 slide and Nokia 7230 below.

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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。

Documentary: visual presentation (such as a video, slide show, or computer project) no more than 10 minutes long.

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谈及趋势，我发现多媒体视频和幻灯片放映的扩展能帮助我快速地提高我的知识。

Speaking of trends, I have found that the expansion of multi media videos and slide shows help me ramp up my knowledge quickly.

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All the power points, as well as the videos of the classes will be online.

所有幻灯片以及课程视频都会放在网上。

哈佛公开课 - 幸福课课程节选