单词：hubble_law 

名词

• 
  [1.n.hubble_law] (同义词:[Hubble's_law]  [Hubble_law]  )
• 
  注释列句：(astronomy) the generalization that the speed of recession of distant galaxies (the red shift) is proportional to their distance from the observer
• 上位词 -> [law( n. 法律, 诉讼, 法学, 法治, 司法界, 规律 v. 对...起诉, 控告 abbr. [军] Light Anti-Tank Weapon, 轻型反坦克武器 )]  [concept( n. 观念, 概念 )]  [idea( n. 想法, 念头, 意见, 主意, 思想, 观念, 概念 )]  [content( n. 内容, 容量, 目录, 满足 adj. 满足的, 满意的, 愿意 vt. 使满足 )]  [cognition( n. 认识 )]  [psychological_feature(心理特征 )]  [abstraction( n. 提取 )]  [entity( n. 实体 )] 
• 所 有 -> [astronomy( n. 天文学 )] 
  种 类 -> [astronomy( n. 天文学 )]