It is defined as 1/60 of the luminous intensity per square centimeter of a blackbodyradiator at the temperature of solidification of platinum.
一烛光是一个黑色国辐射物体在白金凝固的温度下每平方厘米所发出光度的1/60。
2
A blackbody maintained at a constant temperature is a full radiator at that temperature because the radiation reaching and leaving it must be in equilibrium.