The daytime quality of light in forests varies with the density of the vegetation, the angle of the Sun, and the amount of cloud in the sky.

森林里的日光质量随着植被密度、太阳照射角度和天空云层数量变化而变化。

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The quality of light from these new bulbs is different.

这些新式灯泡的光照的特色各不相同。

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One of the key elements in a memorable photograph may well be the quality of light.

要拍出令人过目难忘的照片，关键因素之一是光线。

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This is the story of how one man combined LEDs with solar energy technology to bring high-quality, low-cost electric light to poor people around the world.

VOA: standard.2009.12.13

In an informal test of solar lights carried out by The Economist in Africa, users grumbled about the soapy quality of light and lantern-style design.

ECONOMIST: Solar lighting

Fluorescent bulbs emit a pallid, bleached light that is okay for hallways and porches, but which fails to flatter and provide a good quality of light for living rooms.

ECONOMIST: On the environment, Paris Hilton, Sri Lanka, DP World, animal sacrifices, Apple, the future | The

Impressionists favor the clear light of midafternoon, and instead of focusing on panoramic views, they concentrate on the quality of natural light reflected on specific surfaces a single copse of trees, a short span of running river, a group of village houses and rooftops.

WSJ: Nature in America | A Landscape in Evolution | By Barrymore Laurence Scherer