这是最简单方法。用该法插入的视频，在演示界面中仅显示视频画面，和插入图片十分类似。可以说，这是一种无缝插入，效果相当不错，但同时局限性也很大。首先，该法仅支持插入AVI、MPEG和WMV等Windows Media 格式 视频，而像RMVB等其它格式均不支持，不能不 ...

Microsoft PowerPoint is a very useful tool for creating presentations easily and delivering information in a simple to understand way. It offers users a host of features that allow them to create ...

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