A light-emitting diode (LED) is a semiconductor device that emits narrow-spectrum incoherent light when forward-biased.The color of the emitted ligh...

📅 2013-11-07 👤 xiaoyuer

LED 电源管理

Expert Choice represents a significant contribution to the decision making process 工t assists a deci

Expert Choice represents a significant contribution to the decision making process 工t assists a decision maker in solving complex problems involving m...

📅 2015-06-02 👤 gmh1314

contribution significant represents decision

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