“downward lighting”的概念、定义、翻译、参考文献-科学参考

单词	downward lighting
释义	downward lighting Encyclopedia 艺术学采光释 downward lighting俯射光光源位于拍摄方向所在水平面的上方，即位于被摄物体上方（如顶上方、前上方、侧上方、后上方），自高处（上方或斜上方）向低处（下方）针对该被摄物体投射出的俯射照明光线。
随便看	three-flow conjecture three focuses three-fold threefold axis threefold branch point three-fold classification threefold degeneracy three-fold integration of hollowed village consolidation threefold [symmetry] axis threefold symmetry axis three-fold transitivity three formations of society Three Forts of Hebei Three Forts of Heyang three fourths Three Friends Society three functions of steel manufacturing process Three Garrisons for Accepting the Surrender of the Hun People three gas incubato three general economic programmes for new-democracy Three General History of Institutions Three Generations three genres of opera developing simultaneously three gibbons picking fruit Three Gods(Gods of heaven, earth and water)

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。