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单词
light emitting diode
释义
light emitting diode
Encyclopedia
工学
固态光源
释
light emitting diode
发光二极管
发光二极管一般简称为LED，是一种半导体二极管，它能将电能转化成光能。电能造成比热平衡时更多的电子和空穴，电子和空穴在PN结处复合形成新的热平衡，在复合的过程中，多余的能量以光的形式释放，少数能量以热能的形式散发。
理学
〔一般光源〕
释
light emitting diode; LED
发光二极管
一种固体发光器件。
Physics
凝聚态物理学
固体及其性质
light emitting diode, LED
发光二极管
＞光学＞应用光学＞释义
light emitting diode, LED
发光二极管
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更新时间：2026/8/26 7:37:56