illuminance

/ɪˈluːmɪnəns/ 15
the 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.

illuminance

-ance ⌜ 表示状态或行为的 - indicating the state or action of ~ ⌟
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