英语词汇“foot-candle”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

　

单词	foot-candle
释义	foot-candle foot-can·dle (fo͝ot′kăn′dl)n. Abbr. fc or ft-c A unit of measure of the intensity of light falling on a surface, equal to one lumen per square foot and originally defined with reference to a standardized candle burning at one foot from a given surface. foot-candle n (Units) a former unit of illumination, equal to one lumen per square foot or 10.764 lux foot′-can`dle n. a unit equivalent to the illumination produced by a source of one candle at a distance of one foot and equal to one lumen incident per square foot. [1905–10] foot-candle foot-candle: see photometryphotometry , branch of physics dealing with the measurement of the intensity of a source of light, such as an electric lamp, and with the intensity of light such a source may cast on a surface area. ..... Click the link for more information. . Foot-candle A unit of measurement for the average light on a surface; 1 foot-candle equals 1 lumen per square foot. foot-candle foot-candle An amount of light equivalent to 1 lumen per square foot. foot-candle foot-candle A measure of light intensity. One foot-candle is the illumination measured on a surface one foot from the source of one candle. Many worker-safety regulations specify the minimum foot-candles of light required in work areas.Zoning variances for commercial properties near residential areas might place a restriction on the maximum foot-candles of lighting after a certain hour at night.
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更新时间：2025/3/1 20:47:46