The parameters of light(1) Luminous intensity Luminous intensity is abbreviated as light intensity, the international unit is candela (candela), abbreviated as cd, 1cd (ie 1000md) refers to a monoc
The parameters of light(1) Luminous intensity Luminous intensity is abbreviated as light intensity, the international unit is candela (candela), abbreviated as cd, 1cd (ie 1000md) refers to a monoc