光老化是指皮肤衰老过程中由光线特别是紫外线辐射所造成的损伤。
Photoaging refers to cutaneous damage caused by light, especially ultraviolet radiation exposure, in the process of skin aging.
这对于西部强紫外线辐射地区研究防止沥青路面过早老化和损害有着积极的意义。
This pa- per is of value to prevent road asphalt early aging research in the northwest intensive ultraviolet radiation region of China.
抗老化，过滤UV辐射，可安全抵御12级台风的正面侵袭。
Anti-aging, filtering UV radiation, can security against the front of the grade 12 typhoons attack.
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