现有的白色二极管同样基于蓝色的光——源于这种颜色的光是用于激发一种由钇铝石榴石组成的磷光层。
Existing white LEDs are also based on blue ones, the light from which is used to excite a phosphor layer made of yttrium aluminium garnet (YAG).
白色的涂粉垂直铝翅片包裹着建筑,使得表面具有动态的特性,当人走过建筑时表面随之变化。
The white, powder-coated, vertical aluminum fins that wrap the building give a kinetic quality to the facade, which changes as one moves past the building.
铝的形态要好些,但水中的盐分也在缓缓吞噬着它的表面,留下的是坑坑洼洼的白色表皮。
The aluminum is in better shape, but salts in water pooling on its surface slowly eat little pits that leave a grainy white coating.
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