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                目录
                1  绪论
                1、1  资料库建立的意义
                2  LED涉及的相关概念
                3 LED照明
                3、1  LED照明原理
                3、2  LED照明的特性︾
                3、3  发展现状
                3、4  发展趋势
                3、5  LED优点
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