Lighting has been shown to have effects on mood in the physical world (both sunlight and artificial light; see lots of info on the subject).

已有研究表明，照明可以影响情绪(日光和人造光线)。

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Excellent tunnel lighting project, should have excellent lighting effects, convenient maintenance, steady power supply and reasonable control.

优秀的隧道照明工程，应具有优良的照明效果、便捷的维护、稳定的供电、合理的控制。

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Each of the different types of lighting design and have it fixed effects and functions, designers must first understand the lamp lighting the purpose of properly configured.

每一个不同式样和类别的灯具，都有它固定的效果和机能，设计师必须先了解灯具的照明配置妥当的目的。

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