连接区域不位于所述发光区域的上面。

The connection area does not overlie the light emitting area.

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本文从发光区域、器件结构、材料选择等方面回顾了有机白光发光研究的一些进展情况。

This paper presents the progress of organic white light-emitting diodes studying in terms of light-emitting zone, device structure, and material selection.

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这反映了附近恒星的光热，2170星系是由其他蓝色反射星云，紧凑的红色发光区域，以及在模糊的背景下对恒星尘埃的飘带组成。

Reflecting the light of nearby hot stars, NGC 2170 is joined by other bluish reflection nebulae, a compact red emission region, and streamers of obscuring dust against a backdrop of stars.

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