These light sources are the fluorescent lamp, halogen lamp. Short-arc xenon lamp and metal halide lamp.
这些光源为荧光灯，卤钨灯，短弧氙灯和金属卤化物灯等。
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。
Researchers have demonstrated white, organic light-emitting diode (OLED) sources with the same efficiency as fluorescent light bulbs.
研究人员展示了白色有机发光二极管跟荧光灯泡有一样的效率。
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