中文翻译与英英解释

【物理学】英尺烛光[烛光亮度]。

A foot-candle (sometimes foot candle; abbreviated fc, lm/ft?, or sometimes ft-c) is a non-SI unit of illuminance or light intensity widely used in photography, film, television, conservation lighting, and the lighting industry. The name "footcandle" conveys "the illuminance cast on a surface by a one-candela source one foot away.