WordNet
hour circle
名詞
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時圏
a great circle on the celestial sphere that passes through both celestial poles.
天球の両極を通る天球上の大円。
DICTIONARY / 英ナビ!辞書
時圏
a great circle on the celestial sphere that passes through both celestial poles.
天球の両極を通る天球上の大円。
日本語ワードネット1.1版 (C) 情報通信研究機構, 2009-2010 License
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