设计实用课件并在实际教学中应用，是每一位教师应具备的基本技能。
Designing the practical courseware and application in actual teaching are the basic skill that every teacher should possess.
声音是多媒体课件的组成部分，科学、合理地使用声音技巧可以进一步增加多媒体课件的使用性和实用性。
The sound is the multimedia courseware constituents, the science, uses the sound skill to be possible reasonably to further increase the multimedia courseware the uses and the usability.
结合笔者多年的课件开发实践，谈谈对奥思平台的认识，并给出一些近期应用中的实用技巧及总结。
Combining with the author's courseware developing practice, this paper talks about the knowledge of Founder author Tool Platform, and offers some practicing skills.
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