An all-LED blue light is housed in the device, offering visibility at long distances.

设备上有个全led蓝光灯，增大长距离下的能见度。

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The simplest and most common way is to coat a blue LED with a yellow phosphor.

最简单也最普通就是在蓝色LED上罩一层黄色的磷。

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When they finally made it into the airport, he said, he and the other passengers were led past sheets of blue plastic, which hid signs of the carnage.

当他们最终进入机场时他说，他和其他乘客被带往掩盖了袭击惨状的蓝色塑料过道。

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He has led the Blue Devils to 27 NCAAs, including 11 Final Fours and four national titles.

FORBES: Duke Coach Mike Krzyzewski Will Hold Men's Basketball Win Record Forever

He led the Blue Devils to three Final Four berths, including 1992, when he was named most outstanding player.

WSJ: Buffalo gets name power, hires Hurley as coach

Financial and energy stocks led the blue-chip index lower yesterday.

FORBES: Consumer Spending Grew More Than Expected Last Month; Stocks Ready To Rally