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- far ultraviolet rays 远紫外线
- far ultraviolet ray 远紫外线
- Ultraviolet rays can penetrate through clouds. 紫外线可以穿透云层。
- What are infrared and ultraviolet rays? 什么是红外线和紫外线?
- Can glasses prevent ultraviolet ray? 眼镜可以防紫外线吗?
- Why can ultraviolet ray synthesize vitamin D? ? ? ? 紫外线为什么能合成维生素D????
- Prevent glasses mark of ultraviolet ray? 防紫外线的眼镜标志?
- The ozone layer shields the earth from the sun's ultraviolet rays. 臭氧层保护地球不受太阳紫外线的辐射。
- Ultraviolet rays, dust, air-conditioning can make your skin coarse. 紫外线、灰尘、空调等都会使皮肤粗糙。
- The ultraviolet ray light can sterilize the packaging material. 机内装有紫外线灯,能对包装材料进行消毒灭菌。
- Under ultraviolet rays, oxygen is photolysis, thus producing ozone. 空气中氧气在紫外光的照射下,发生光解作用,产生臭氧。
- Oxygen can be changed into ozone by ultraviolet rays. 氧气在紫外光的作用下可转变为臭氧。
- Ultraviolet rays, dust,air-conditioning can make your skin coarse. 紫外线、灰尘、空调等 都会使皮肤粗糙.
- As the sun’s ultraviolet rays, we do not see the sun it? 就象太阳光的紫外线一样,难道我们就不见太阳光吗?
- The ultraviolet rays react with skin cells to produce the vitamin. 紫外线辐射和皮肤细胞反应后可以产生这种维他命。
- Ultraviolet rays,dust, air-conditioning can make your skin coarse. 紫外线、灰尘、空调等都会使皮肤粗糙.
- Far Ultraviolet Spectroscopic Explorer (FUSE) is a NASA-supported astronomy mission. 美国科学卫星是美国航天局支持的天文学项目。
- Solar light can send off ultraviolet rays, just like the sun does. 太阳灯能够像太阳一样放射出紫外线。
- Astronomers found the halo using NASA's Far Ultraviolet Spectroscopic Explorer( FUSE) satellite to peer beyond the edges of our home galaxy. 天文学家是使用美国航空航天局的远紫外线光谱探测仪(USE)卫星,在我们所居住的星系边缘外发现此日冕的。
- The ultraviolet ray light can sterilize the packing material. 机内装有紫外线杀菌灯,能对包装材料进行消毒灭菌。