The whole fixture must be replaced—light source and luminaire—and this is never an inexpensive proposition.
整个装置——光源和灯具——必须换掉，而这一提议绝不便宜。
2
The floodlighting design, luminaire installation and debugging of a stadium and the supporting facilities are introduced.
摘要介绍某体育场及配套设施的泛光照明设计、灯具安装及调试。
3
Then it introduces a new method to test luminaire efficiency, and point out it should be called luminaire light output ratio according to the present test method.