In biosafety laboratories and clean rooms, the over head lighting should be consisted of closed units fixed direct to or recessed in ceiling.

在生物安全实验室和洁净室，顶灯应该有密封装置直接固定在天花板上或嵌入在天花板内。

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Each layer gives rules to how the spaces are configured – they determine the changes in ceiling heights, window sizes and dimensions of storage which are recessed into walls as joinery items.

每一层关于怎样配置空间都有一个原则——主要是由层高、窗户尺寸和仓库容积的不同决定，这些凹陷进墙体的元素成为项目的细节部分。

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Additional folded and recessed lighting coves on the ceiling anchor the seating areas and wash them with a warm glow at night.

隐藏于天花板凹槽中的灯带位于座椅上方，使它们夜晚也沐浴在温暖的光照之下。

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Shades operating by wall-mounted controls disappear into a recessed ceiling pocket when not in use.

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Last year Cree began selling a dimmable LED version of common recessed ceiling fixtures.

ECONOMIST: Green homes

Ambient lighting from recessed or flush ceiling fixtures casts an overall relaxed glow or bright light.

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