candela

柯林斯词典

candela /kænˈdiːlə, -ˈdeɪlə/

• 1. N the basic SI unit of luminous intensity; the luminous intensity in a given direction of a source that emits monochromatic radiation of frequency 540 × 1012 hertz and that has a radiant intensity in that direction of () watt per steradian 坎德拉; 发光强度国际单位 ( symbol: cdAlso called candle, standard candle)

返回 candela