“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	circular groove circular helicoid circular helix circular hole diffraction circular iner-polation circular interpolation circularity circularizer circular jig circular knitting machine circular ladder graph circular linked list circular locus punching circular loom circular lune circularly polarized light circularly-polarized wave circularly polarized waves circular measure circular motion Circular Mound Altar circular muscle circular neighborhood circular orbit circular orbital radiation

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。