The importance and feasibility of intelligent lighting was summarized, the difference between digital and analog control technology was compared, as well as the DALL digital control put emphasis on.
阐述了智能照明的重要性和可行性，并对模拟控制和数字控制这两种调光技术进行比较。
First, the definition will be depicted, comparing the difference to digital TV, and will systematically manifest and analyze the key technology, business features of IPTV.
首先，本文对IPTV的概念进行阐释，将其与有线数字电视进行区分，并对IPTV关键技术、业务特征进行系统的阐述和分析。
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