The results indicated that poinsettia was a sun plant with high light-saturation point and low light-compensation point. But the shade tolerance of different cultivars was different.

结果表明，一品红具有较高的光饱和点和较低的光补偿点，是对光照强度适应能力较强的阳性植物，但不同栽培品种对遮荫环境的适应性有较大差异。

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The saturation and lightness of light also affect our perceptions.

饱和度和亮度也影响到我们的感觉。

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This is because the glass's colours, reflections, hues and saturation levels slowly morph as one moves around the work and as light conditions vary during the day.

这是因为随着人们围绕作品移动，随着白天光照条件变化，玻璃的颜色、反光、色调和饱和度慢慢改变。

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The Acer K750 is the world's first 1080p projector equipped with a hybrid laser-LED light technology, improving color saturation by 55% to deliver outstanding, energy efficient projection.

ENGADGET: Acer breeds LEDs with lasers, new hybrid projector is born

What's more, this innovative hybrid light-source technology enables flexible color settings and a wider color gamut to deliver better color saturation up to 85% NTSC and offers superior color fidelity through a system of three independent color lighting sources.

ENGADGET: Acer breeds LEDs with lasers, new hybrid projector is born