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简要阐述现有机顶盒的三种形式,并详细介绍了数字有线电视机顶盒的构成及其关键技术,最后分析了机顶盒的市场前景。
Briefly describe the three forms of the existing set-top boxes, and introduce in detail the composition and key technologies of the digital cable set-top boxes. Finally, the market prospects of the set-top boxes are analyzed.