The results showed that the light quality had a remarkable effect on the net photosynthesis of wine grape.

结果表明：不同光质对酿酒葡萄光合作用有显著影响。

youdao

With the halogen powder producing lamp tube, the light quality is low and massive USES can cause the serious light pollution.

用卤粉生产的灯管，光的质量低下，大量使用会引起严重的光污染。

youdao

Foam color steel plate is a kind of organic material, it has the light quality insulation device convenient features, recently compared Ji 'nan in recent years the use of steel factory.

泡沫彩钢板是一种有机资料，它具有保温隔热质量轻装置便利的特色，近来几年济南彩钢厂运用的对比广泛。

youdao

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

If you change your focus from near to far, the shift in light quality is almost imperceptible.

WSJ: The Petzl Nao: A Smarter Light | At Play

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

It was a day that could have happened only in a town like ours: the sun was bright, warm even, but there was a chemical haze in the air, a blurred, dusty quality to the light that we knew from having lived so long in the shadow of the works.

NEWYORKER: Something Like Happy