紫外线发光被用于传统医疗的和替代药医疗。
Ultraviolet blood irradiation is used in both conventional and alternative medicine for different reasons.
紫外线发光二极管则可以提供一种方式来提高电磁频谱的一部分，从而生产出颜色更深、更多姿多彩的莴苣。
Ultraviolet LEDs could provide a way to replace and enhance this part of the electromagnetic spectrum to produce darker, more colorful lettuces.
现在有一个植物生理学家的团队已经研究出一种方法，这种方法就是通过用紫外线发光二极管使莴笋颜色更深更红(因此更健康)。
Now a team of plant physiologists has developed a way to make lettuce darker and redder-and therefore healthier-using ultraviolet light-emitting diodes (LEDs).
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