The system of the optical fiber sensor is designed using LED source as light source to obtain reflected spectrum.
建立了传感器系统，用LED作为白光光源得到反射光谱。
It is, says the company, easy to convert existing street lighting to an LED source because no electronics skills are required.
该公司表示，将现有的路灯换成LED的路灯应该很简单，因为不需要任何的电子学技术。
Liquid cooling does not need many heavy fans to drive heat away from the LED source, resulting in less disturbing control room noise.
液体冷却不需要笨重的风扇为LED光源散热，从而降低了扰人的控制室噪音。
Liquid cooling does not need many heavy fans to drive heat away from the LED source, resulting in less disturbing control room noise.
液体冷却不需要笨重的风扇为LED光源散热，从而降低了扰人的控制室噪音。
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