Low light levels are considered 15-30 footcandles, and high light levels are considered in the 50-100 foot candle range.
一般认为低照明介于15-30英尺烛光(照明单位，指每英尺距离内之照度)，高照明介于50 - 100英尺烛光之间。
She crawled about the floor, peering at it with a candle for marks of a strange foot.
她在地板上爬来爬去，用蜡烛照着地板，看有没有陌生的脚印。
Find out your plant’s foot-candle requirement, which is how many candles it would take to light the plant from one foot away.
找出植物所需要的“英尺烛光”，即在一英尺的距离需要点多少蜡烛来提供它光。
An older unit, the lumen per square foot, or foot-candle, has become obsolete.
一种较老的单位是每平方米英尺的流明数，即英寸烛光，这种单位已经废除。
An older unit, the lumen per square foot, or foot-candle, has become obsolete.
一种较老的单位是每平方米英尺的流明数，即英寸烛光，这种单位已经废除。
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