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词汇
LED
释义
LED
发光二极体(=light emitting diode)
LED是一种由单晶半导体(Semiconductor)做制成的发光体,大量运用在指示灯号、家电用品,以及其他需要灯号识别的地方上,在三原色中,除了蓝色因为成本过高,生产较少外,红色与绿色发光二极体则随处可见。
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更新时间:2025/12/15 0:09:23