对角线在中途开始下降，玻璃砖上的照明很自然地从自然照明过渡到人工照明，同时还覆盖了边缘和天花板。
Halfway down the diagonal descent, the glass blocks change from being naturally illuminated to artificially illuminated, while still covering the sides and the ceiling overhead.
球面调和光只有很低的频率。球面调和光不能产生锋利的照明过渡。它们也只会影响散射光照（对高光来说，球面调和光的频率太低了）。
SH lighting is very low frequency. You can't have sharp lighting transitions with SH lights. They are also only affecting the diffuse lighting (too low frequency for specular highlights).
很显然，彩色照明会影响大脑褪黑激素的分泌，而褪黑激素与身体的觉醒和渴睡阶段的过渡有联系。
The colored lighting apparently helps influence the brain's production of melatonin which is linked to the body's transitions between feeling awake and feeling sleepy.
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