电子镇流器作为一种照明节能电器，是实现绿色照明的关键所在。
As the new efficient lighting electrical appliance, electronic ballast is the critical issue in the green lighting project.
系统设计的关键技术体现在系统照明环境的设计、摄像头运动追踪机构设计和机器视觉分析算法的实现上。
There are some key technologies in this system: the design of system lighting, movement-organ to trace the pointer, arithmetic of machine vision to analyze image.
窗户的尺寸有助于给室内带来光明，减少人工照明的能量损耗，这是关键的一方面。
The size of the Windows contributes to the bright interior and reduces energy consumption from artificial lighting, which was a key aspect of the brief.
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