不能只是简单地把节能灯安装在白炽灯装置上，然后还指望它产生的视觉效果不仅仅是微弱、朦胧、昏暗的感觉。

A CFL cannot be simply installed in an incandescent fixture and then expected to produce a visual appearance that is more than washed out, foggy, and dim.

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无论是白炽灯、卤素灯、荧光灯还是LED灯，这都测量了这些灯泡在未来散发光数量的减少。

Whether for incandescents, halogen, fluorescents or LEDs this measures the decrease in the amount of light they emit over time.

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尽管LED灯比白炽灯利润空间更大，但灯源替代市场钟会趋于缩小。

Although LEDs will be more profitable than incandescent bulbs the replacement market will eventually dwindle.

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