他声称，二极管灯能少用80%的能量，而且使用时间是现在照明技术的20倍。

"We can use as much as 80 percent less energy," he says, "and the product can last about 20 times longer than the technology it's replacing."

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二极管是一种只允许电流单向流动的元件。

A diode is a device which only allows current to flow in one direction.

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二极管是将交流电整流成直流电的电子装置。

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

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