视频系统在远程教育实时教学和非实时教学中发挥着重要作用。

Video system plays an important role in real time and non real time education in distance education.

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系统以建构主义理论、认知理论为依据，强调了教学设计理论在远程教育系统中的指导作用。

Based on the doctrine theory and cognition theory the system stresses the guidance effect of teaching designs in the system which is educated by the long-range of theory.

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家居远程监控系统作为智能化家居的组成部分，在国内外的智能家庭建设中已经发挥出越来越重要的作用，具有广阔的发展前景。

As a part of smart home, home remote supervision system has played an increasingly important role in smart home construction and has broad development prospects.

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