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词汇 polar flattening
释义

Definition of polar flattening in English:

polar flattening

noun
Astronomy
  • The extent to which the polar diameter of a planet is shorter than the mean equatorial diameter.

Origin

Late 18th century; earliest use found in Philosophical Transactions of the Royal Society of London.

Definition of polar flattening in US English:

polar flattening

noun
Astronomy
  • The extent to which the polar diameter of a planet is shorter than the mean equatorial diameter.

Origin

Late 18th century; earliest use found in Philosophical Transactions of the Royal Society of London.

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