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单词 parallactic ellipse
释义

Definition of parallactic ellipse in English:

parallactic ellipse

noun
  • An elliptic curve traced by the apparent position of a star as a result of the observer's motion as the earth moves around the sun.

Origin

Early 19th century; earliest use found in Philosophical Transactions of the Royal Society of London.

Definition of parallactic ellipse in US English:

parallactic ellipse

noun
  • An elliptic curve traced by the apparent position of a star as a result of the observer's motion as the earth moves around the sun.

Origin

Early 19th century; earliest use found in Philosophical Transactions of the Royal Society of London.

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