The amount of energy converted to visible light by an LED already climbs as high as 14 or 15 percent.

经led转化为照明光的能量已经达到总能量14%或15%。

youdao

Proposed an overall design project of visible light communication system based on white LED array source, had developed a prototype that can run actually.

本文分析对比了国内外可见光通信技术的研究现状，对基于白光LED阵列光源通信系统的若干关键技术进行了讨论。

youdao

The device used the cheap CCD camera and visible light led and infrared ray led.

该装置采用低廉ccd摄像机，配以可见和红外发光二极管组成。

youdao

Like Hanoi, Laos introduced economic reforms in 1986 and as in Vietnam they led to visible progress - new roads, international hotels, a modern Japanese-funded airport in the capital.

CNN: CAUGHT IN THE MIDDLE

The only visible components are a single capacitive button, an LED and a micro-USB charging port.

ENGADGET: LUMOback smart posture sensor hands-on (video) Mobile

Most spectacular was the highly visible failure of the Clinton health care reform effort, led by First Lady Hillary Rodham Clinton.

CNN: Bill Clinton