求翻译：LED 的基本结构是由一块电致发光的半导体材料置于一个有引线的架子上，然后密封于环氧树脂内，保护其内部芯线。LED 一般将两根引线中的较长的一根定为正极，若两根引线长度相同，一般会在管壳上有明显的标记和暗示。与白炽灯、荧光灯和氖灯等目前流行的照明灯相比，LED 显著的特点是:工作电流很小、工作电压低、可靠性高、抗冲击和抗震性好、寿命长等。一般我们通过调节通过LED 的电流来改变其发光的强弱。是什么意思？

正在翻译，请等待...

正在翻译，请等待...

The LED basic structure is puts in one by the electroluminescence semiconducting material to have on together the lead wire rack, then the seal in the epoxy resin, protects its internal core.LED decides as generally two lead wire in long the positive electrode, if two lead wire lengths are same, can

LED's basic structure is composed of a light-emitting diode materials placed on the shelf of a leader, and then sealed in epoxy, protecting its inner core cable. LED one of the two leads in the long taken as positive, if the two leaders the same length, usually have obvious marks on the shell-and-tu

正在翻译，请等待...