单词：spacecraft_event_time 

名词

• 
  [1.n.spacecraft_event_time] (同义词:[spacecraft_event_time]  [SCET]  )
• 
  注释列句：the coordinated universal time on board the spacecraft; "SCET = TRM + OWLT"
• 上位词 -> [coordinated_universal_time]  [Greenwich_Mean_Time( n. 格林尼治标准时间(=G.M.T.) )]  [time]  [attribute( n. 属性, 品质, 特征, 加于, 归结于 )]  [abstraction( n. 提取 )]  [entity( n. 实体 )]