第一篇 Inventor of LEDWhen Nick Holonyak t out to create a new kind of visible lighting using miconductor alloys, his colleagues thought he was unrealistictreatment是什么意思. Today, his discovery o
第一篇 Inventor of LEDWhen Nick Holonyak t out to create a new kind of visible lighting using miconductor alloys, his colleagues thought he was unrealistic. Today, his discovery of light-emitti