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单词 polar diameter
释义

Definition of polar diameter in English:

polar diameter

noun
Astronomy
  • The diameter of a planet measured from pole to pole.

Origin

Late 17th century; earliest use found in Philosophical Transactions of the Royal Society of London.

Definition of polar diameter in US English:

polar diameter

noun
Astronomy
  • The diameter of a planet measured from pole to pole.

Origin

Late 17th century; earliest use found in Philosophical Transactions of the Royal Society of London.

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更新时间:2025/8/15 0:14:10