Part three includes six subparts: multimedia in education the multimedia used to construct instructional situation the construction of situation by VRT the construction of situation by streaming technology multimedia integration and plural situation.
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- 论文后半部分分析了多媒体辅助情境设计的多种典型的多媒体技术和方法：基于虚拟现实技术的情境、基于流媒体技术的情境、基于多媒体整合的情境等等；
