权威例句
FootcandleFootcandleFootcandleA Footcandle-Hour Integrator for DaylightRecommended footcandle levels for prolonged critical seeingDevelopment of Iso-Footcandle Curves for Highway LightingFootcandle levels; threshold, ideal, optimum and recommended.Comment on “A Footcandle-Hour Integrator for Daylight” by A. H. TaylorConvert footcandle to luxLight' meals. Improve nutrition by the footcandle.Mackinac bridge has a maintained illumination of 1.0 footcandle for night safetyconverts foot candle to watts / square centimeterIllumination items: Notable improvements in foot-candle meter