Appropriate illuminance shall be ensured for working environment .

工作环境保证适宜的照度。

Maintained average horizontal illuminance of road surface .

路面平均水平照度维持值。

Gentle and comfortable lighting effect does not mean adequate illuminance only .

优雅、舒适的照明效果，不仅仅是提供合适的照度。

Note : the maintained illuminance is the minimum value to which the illuminance is allowed to fall .

注：维持照度是照度衰减所允许的最自小值。

Result showed that the air temperature , soil temperature , relative humidity and illuminance inside the greenhouse changed with the variation of season and had the rules of daily change and seasonal change .

结果表明，温室大棚的气温、地温、相对湿度、光照度是随着外界气象条件和季节的变化而相应变化的，并具有日变化规律和季节变化规律。