“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	pressurized water reactor pressurized water reactor chemistry pressurized water reactor nuclear power plant pressurizer prestack elastic inversion prestack migration imaging prestage pre-staining process of chemical fiber prestarting prestation decision of administrative litigation presteady state pre-stellar body pre-stellar cloud pre-stellar evolution pre-stellar matter pre-stellar object Prestes Column Preston prestore prestrain prestratification prestratified prestress pre-stress cementing prestressed

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