1·When the lighting level falls below about 1 lux the cones cease to act.
当照度低于约1勒克司时，锥状细胞就不再起作用。
2·The resulting lighting level at the work surface is a consistent 80 foot candles.
工作面的照明水平相当于80英尺的蜡烛。
3·This paper discusses the changing rule of pupil size with the lighting level and different light color under the road lighting level.
探讨了瞳孔大小随照明水平和不同光色的变化规律。
4·Because today's ceremony is being webcast, the lighting level had to be adjusted beyond that is allowable for viewing of the originals.
因为今天的典礼是在线直播，照明设备必须而且已经调整到超出观察原件的允许值范围之外。
5·In overcast conditions, light shelves cannot increase the lighting level; they operate most effectively when direct sunlight is available.
在阴天的情况下，光架不能增强室内的照明度；它们在有直接光照的情况下，才能起到很好的效果。
6·A complete redecoration of the office space has improved the wall reflectance within the space meaning the lighting can be dimmed to achieve the required maintained lighting level.
办公空间全面翻修后，空间内部的墙面反射度大大提高，就意味着调低照明亮度后，同样可以达到需要保持的照明度。
7·On an individual level, people can help reduce much sky glow by using lighting only when necessary and by choosing well shielded lighting fixtures.
就个人而言，仅在必要时使用照明，且选择遮光性能好的照明设备，就能有助于大幅减少人工白昼现象。
8·Therefore, a level of 70 per cent of initial light level could be considered a threshold of useful life for general lighting.
因此，初始亮度的70%可以被当做普通照明有用时间的一个门槛。
9·Unlike compact fluorescent bulbs, LEDs can be adjusted to any level of lighting intensity.
与紧凑型荧光灯泡不同，LEDs可以调整成任何照明强度。
10·Shebley is a silver-level seller (mostly photography and lighting equipment) but says most her income comes "from supporting sellers as a consultant and a teacher."
Shebley现在是“白银级”卖家（主要销售摄影和照明器材），但她的主要收入却是来自担任“卖家销售支持顾问和导师”。