词a unit of luminous flux equal to the amount of light given out through a solid angle of 1 steradian by a point source of 1 candela intensity radiating uniformly in all directions.
量单位等于一国际烛
射在距离为一厘米面积为一平方厘米
平面上量。
a unit of luminous flux equal to the amount of light given out through a solid angle of 1 steradian by a point source of 1 candela intensity radiating uniformly in all directions.
量单位等于一国际烛射在距离为一厘米面积为一平方厘米平面上量。
声明：以上例句、词性分类均由互
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