intensity of illumination 基本例句 n.照明度 用作名词A lux is a measure of the illumination given by a light to a distant surface.勒克斯是光对于遥远表面的照明度的量度单位。 The performance of the human eye largely depends on the level of illuminance in the visual field.在视野中人类的眼睛表现大量地仰赖照明度的水平。