Exposure to UVB rays found in natural and artificial sunlight.

来自自然和人造阳光中的UV B射线照射。

youdao

Windmills from old car parts and car batteries and artificial sunlight from carbon arc lamps using pencil leads is possible, however.

可以从破旧的车辆里拆取风叶和蓄电池，再用铅笔芯制造弧光照明灯获取人工照明是有可能的。

youdao

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)。

youdao

Colors can change shade, or metamerize, under different light sources, so when Harfouch hits on a perfect match he has to be sure it looks the same under sunlight as it does under artificial, supermarket light.

FORBES: Jelly Beans: Which Color Is Most Popular At Easter? Why We Love Colored Foods

Panasonic's artificial photosysnthesis system has a simple structure with highly efficient CO2 conversion, which can utilize direct sunlight or focused light.

ENGADGET: Panasonic Photosynthesis System converts carbon dioxide to organic material with plant-like efficiency