“universal deceleration parameter”的概念、定义、翻译、参考文献-科学参考

单词	universal deceleration parameter
释义	universal deceleration parameter Encyclopedia 理学宇宙膨胀释 universal deceleration parameter宇宙密度参数现在时刻（）宇宙中物质的平均密度与宇宙临界密度的比值，记为无量纲的宇宙密度参量。
随便看	optical flare optical flash optical flat optical flatness optical flight control optical flow optical flow navigation optical focal points optical Fourier analysis optical Fourier transform optical frequency optical frequency comb optical frequency comb generator optical frequency domain analyzer optical frequency doubling optical frequency measurements optical frequency mixing optical frequency standard optical functional composites optical functional materials optical function crystals optical gain optical gain, light gain optical galaxy optical gate

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。