A light emitting device comprises a pair of electrodes and a mixed layer provided between the pair of electrodes.

发光器件包括一对电极和在一对电极之间提供的混合层。

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The utility model relates to a pair of multifunctional trousers, which is composed of zips, an alarm, a waistband, a layer of cloth, a cotton layer and a plastic layer.

本实用新型涉及多功能裤子，它是由拉链、警报器、腰带、布层、棉层、塑料层构成。

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The invention discloses an electrolytic bath for reducing the thickness of the metal layer of a base plate. The electrolytic bath comprises electrolyte and at least a pair of anode and cathode.

本发明公开一种用以将金属层减厚的电解槽，其包含一电解液及至少一对阳极及阴极。

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