Illustrating the divine glory of the universe, this enlightening reference explores the extraordinary abilities and adaptations of 12 unique land animals, including a fox, turtle, camel, and chameleon. Each creature ?speaks? about their particular surviva作者/Author: Osman Kaplan出版社/Publisher: Nile Pu.....
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本發明涉及LED燈具及其所採用的光學透鏡。所述LED燈具包括LED光源和覆蓋LED光源的光學透鏡。其中，光學透鏡包括圓頂結構和凸出結構，圓頂結構具有一外表面，凸出結構突設於圓頂結構的外表面且包括相對設置的第一側面和第二側面。第一側面具有一第一光學面和一第二光學面，第二側面具有一第三光學面，第二光學面與所述外表面直接相接且連接在圓頂結構的所述外表面和第一光學面之間，第二光學面和第一光學面的交界線不位於所述圓頂結構的所述外表面，第三光學面與圓頂結構的所述外表面直接相接。
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The invention relates to a composite substrate for light emitting device and a LED module equipped with the composite substrate for light emitting device. The composite substrate for light emitting device includes a metal substrate, an insulating carrier and an electrode, the metal substrate and the.....
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Software, games, telecommunications, entertainment, all with a strong focus on electronic games
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