“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	engineering verification test for nuclear power plant engineering virtual reality technology engineering work breakdown Engineer Research and Development Center, U.S. Army Corps of Engineers engineer's level engineers' moral Engineers of the Renaissance engine exhaust gas recirculation control engine fatigue engine firing test engine flight test bed engine for hybrid vehicle engine fuel common rail pressure control engine governor metaphor engine idle speed control engine indication and crew alerting system engine knock engine log book engine noise engine nozzle material engine operating characteristics flight test engine performance flight test engine performance parameters engine performance test engine pressure ratio

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