Refinements in lenses (e. g. , the Fresnel lens) and reflectors made it possible to substantially increase the light's intensity.

而利用透镜和反光镜的辅助设备可使灯光强度倍增。

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Reflections from the background can reproduce as black dead zones. To prevent them, build a de facto light tent around your subject by completely surrounding it with lights, diffusers, and reflectors.

背景的反射光可能会造成画面出现死黑区域，为避免出现这种情况，应在被摄主体周围布满灯、柔光罩和反光板，事实上起到柔光棚的作用。

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When a swarm is detected, the scientists will scoop up a few dozen insects and glue little reflectors on their backs.

当蝗虫群被发现时，科学家会用铲子弄来一些虫子，然后在它们的背面贴上反射镜。

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On the Burke-Gilman Trail, you will see a melange of biker species that comprise Seattle's teeming cycling community: competitive roadies suctioned head-to-toe in matching lycra, lay-cyclists out for the views, aloof bike messengers pierced in double-take places, downtown commuters bedazzled with blinky lights and reflectors, students getting somewhere fast and cheaply, weekend warrior dads working off the muffin-top, vegan earth-lovers determined to live sustainably and any mix thereof.

BBC: Cycling Seattle��s Burke-Gilman Trail

Areva bought the Mountain View, Calif. company Ausra, a company that has developed a system of reflectors that concentrates and directs sunlight to create steam and spin a turbine.

FORBES: Areva Taps The Other Nuclear Source: The Sun

Questions will cover issues concerning the tyres, brakes, fluids, lights, reflectors, direction indicators, and horns.

BBC: L-plate