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
本文通过合成氨工艺流程的课件开发，探讨了多媒体在化工工艺流程教学中的应用。
This article discusses the application of multimedia in the teaching of the chemical technological process.
深入的教学需求分析和良好的教学设计是《信息检索与利用》网络课件开发的核心内容。
The deeper analysis of instruction requirements and good teaching design are the core work in developing the web-based courseware for Information Retrieval and Utilization.
介绍多媒体课件开发环境MMCAI的设计目标，实现方法与系统特点；
This paper introduces the design object, realization method and system characteristics of the MMCAI multimedia courseware authoring environment.
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