冷光灯和荧光灯也许效率更高，但是它们的光比较呆顿乏味，诗人们不大喜欢。
Luminescent and fluorescent bulbs might be more virtuous, but they shone more dully, and poets loved them less.
本实用新型与冷光源引光束配合使用，可使医生不用立灯，不戴额镜，就可获得很清晰的照明，且光源稳定。
The utility model is matched with lead beams of the cold light source, which enables doctors to obtain clear illumination without floor lamps and head mirrors; a light source is stable.
它是一种冷光源，产生同样的光能消耗的电能比普通灯小很多。
It is a cool light resource that costs less electrical energy to generate same quantity light energy comparing to normal lamp.
它是一种冷光源，产生同样的光能消耗的电能比普通灯小很多。
It is a cool light resource that costs less electrical energy to generate same quantity light energy comparing to normal lamp.
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