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单词 periodic time
释义

Definition of periodic time in English:

periodic time

noun
  • 1Astronomy= "period".

  • 2Science= "period".

Origin

Early 18th century; earliest use found in Gregory's Elements of Astronomy.

 
 

Definition of periodic time in US English:

periodic time

noun
  • 1Astronomy= "period".

  • 2Science= "period".

Origin

Early 18th century; earliest use found in Gregory's Elements of Astronomy.

 
 
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更新时间:2024/12/23 23:18:17