... 9 值班照明 on-duty lighting 10 过渡照明 transition lighting 11 维护系数 maintenance factor ...
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transition lighting
过渡照明
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The transition to LEDs is, literally, as easy as changing a light bulb, provided the LED lighting is compatible with the existing lighting infrastructure in homes and buildings.
FORBES: How To Spur Mass Market Consumer Adoption Of LEDs
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