intensity of illumination

• n. 照明度

例句

用作名词 (n.)

1. 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。
2. 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。