“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	observation and imitation of character observation control system observation equation observation error observation function observation likelihoods observation measurements observation method observation network at seabed observation of agrometeorological disasters observation of crop developmental stages observation of crop growth observation of developmental stages of grass observation of developmental stages of trees observation of ground pressure observation of livestock growth and development observation of navigation obstruction observation of reservoir sediment observation of seismic response of structures observation of slope stability observation of surrounding rock structure observation platform observation point control observation process observation route control

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