The on-duty lighting is suitable for making use of part of normal lighting with independent control or part of or whole emergency lighting.
值班照明宜利用正常照明中能单独控制的一部分或利用应急照明的一部分或全部；
As 90 percent of all crimes occur at night, landscape lighting can do double duty as security lighting.
截至90百分之犯罪发生在夜间，景观照明可以作为安全照明双重任务。
A new advert for the car manufacturer, which has been previewed at cinemas in Germany, USES a heavy duty flash designed for lighting film sets that shines through a cardboard stencil right at the end.
一个为汽车制造商的新广告，已在德国的戏院被预览，为发光的电影布景使用重型闪光设计，那在最后即时透过纸板模具照耀。
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