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1·These light-emitting diodes could simulate red light.

这些发光二极管可以模拟红光。

2·To test their hypothesis, researchers took some electrical lights, actually, they were light-emitting diodes.

为了验证他们的假设，研究人员使用了一些电灯，实际是使用了发光二极管。

3·Semiconductor lasers and light-emitting diodes

半导体激光器和发光二极管

4·LEDs - light emitting diodes - have been around for decades.

发光二极管已经兴起几十年了。

5·Becareful not to overheat the solder and damage the diodes.

注意不要使烙铁过热而损坏二极管。

6·There are two TVS diodes on this PCB for 5v and 12v protection.

有两台电视在这个电路板二极管为5 V和12v的保护。

7·For clarity, the figure omits overvoltage diodes and protection circuits.

为明确起见，图中省略了过压二极管和保护电路。

8·Diodes are electronic devices which rectify alternating current to direct current.

二极管是将交流电整流成直流电的电子装置。

9·Some components such as diodes and transistors are excellent light detectors.

某些元件，如二极管、三极管等都是很好的光探测器。

10·Try running testled, and watch the light-emitting diodes (LEDs) on the BeagleBoard-xM.

尝试运行testled，然后观察BeagleBoard - xM上的发光二极管。