“ultraviolet protection factor”的概念、定义、翻译、参考文献-科学参考

单词	ultraviolet protection factor
释义	ultraviolet protection factor Encyclopedia 工学抗紫外整理释 ultraviolet protection factor紫外线防护指数皮肤无防护时紫外辐射平均效应与有织物防护时紫外辐射平均效应的比值。又称紫外线防护系数，简称UPF。是衡量纺织品防止紫外线对人体辐射性能的指标。
随便看	length of span length of stemming length of stroke length of tangent length of the chord length of the period length of the tropical year and length of the synodic month length of Weyl reflection length-preserving embedding length-preserving mapping length-preserving transformation length scales in turbulence length shot length-variable code length-volume principle lengthwise lengthwise oscillations lengthy poem length」最小描述长度 Lengwuan Stage lengxiao pill Lengyan Si Leng Yubing leniency for eight privileged groups lenin archives act

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