illuminance
/ɪˈluːmɪnəns/ 19the luminous flux incident on unit area of a surface. It is measured in lux 照明 ( symbol: Sometimes called illumination)
noun [抽象名词][光]照度;照明度(等于 illumination)
It refers to the specified average illuminance value on the lighted surface.
规定的被照明表面上的照度平均值.
单词造句: