But in the practice of multimedia Courseware development there are many cases failed because of that underestimation. Most of the failure is because Requirement ambiguity, Requirement incompletion, or Requirement change.
但在多媒体课件开发项目实践中却发现，正是由于对项目需求管理的不重视，因项目需求导致的项目开发不成功的案例很多，这类案例不成功的原因大多是因为需求不明确、或需求不完整、或需求发生变更引起的。
参考来源 - 多媒体课件开发需求管理研究The repetitious work reduces efficiency in the multimedia courseware developing. Technology of component reusing can resolve this problem.
多媒体课件开发中的重复劳动影响了课件开发的效率,构件复用技术能有效解决这一问题。
参考来源 - 浅谈多媒体课件开发中构件复用技术·2,447,543篇论文数据，部分数据来源于NoteExpress
并详细介绍了课件开发的每个阶段以及关键技术的实现。
And described in detail at each stage of software development and the achievement of key technologies.
本文对网络课件开发过程中常用的教学方式和实现手段加以研究和探讨。
This essay researches and probes into the teaching mode and measures used in developing network courses.
利用多媒体计算机系统，依靠工具软件，按照制作流程进行多媒体CAI课件开发。
The development of multimedia CAI courseware was made according to the producing procedure by multimedia computer system and tool software.
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