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词汇 polar line
释义

Definition of polar line in English:

polar line

noun ˌpəʊlə ˈlʌɪn
  • 1A line passing through a pole or related to a (geographic or magnetic) pole; especially a line joining north and south magnetic poles.

  • 2Geometry= "polar".

Origin

Mid 17th century (in an earlier sense). From polar + line.

Definition of polar line in US English:

polar line

nounˌpəʊlə ˈlʌɪn
  • 1A line passing through a pole or related to a (geographic or magnetic) pole; especially a line joining north and south magnetic poles.

  • 2Geometry= "polar".

Origin

Mid 17th century (in an earlier sense). From polar + line.

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