Interior illumination should make use of lamplight, optical line should not reflex on the salt screen and the illumination should be darker than normal illumination.
室内照明应间接地利用灯光，且光线不要直接反射至萤光屏上，使用的亮度要比平常用的暗一些。
Electrical lighting design is usually the basis for the design of illumination on, Its main task is to ensure that electricity and light lamps can be normal, safe, reliable and economic work.
照明电气设计通常是在光照设计的基础上进行的，其主要任务是为保证电光源和灯具能正常、安全、可靠而经济地工作。
The experimental results showed that Yekang would make virus disease symptoms disappear and make the shape of leaves resume normal, and then increase the illumination area.
试验结果表明，叶康能使病毒病症状消失，使叶片形态恢复到正常，从而使叶片光合面积增加。
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