Incandescent light is the least energy efficient lighting.
白炽灯是效能最不好的。
The other option is fluorescent light which is one of the most efficient lighting sources.
另外一个选择是荧光灯，是高效节能灯的一种。
Effective lighting, efficient heat dissipation, low power consumption.
光效高，散热好，低消耗功率。
Effective lighting, efficient heat dissipation, low power consumption.
光效高，散热好，低消耗功率。
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