celestial pole
(cryptography) Not decodable with all available computer power.
An imaginary point situated where a planet's axis intersects the celestial sphere.
(Britain, slang) A girl.
Misspelling of dichotomically.
航海者たちは晴れた夜に緯度を決める基準として、惑星の軸が天球と交わる想像上の点(天の極)を利用した。
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