英语词汇“observer vertical circle”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	observer vertical circle
释义	observer vertical circle observer vertical circle The great circle that passes through the north and south celestial poles and the observer's celestial meridian. The intersection of the observer's vertical circle with the celestial horizon defines the north and south points.
随便看	n-train ntrain ntrak n-trap ntrb ntrc ntrca ntrcfl ntrci ntrd ntrda ntre ntrea ntreis ntrem ntretn ntrf ntrg ntrha ntrhwa ntri n-tridecane n-trimethylsilylimidazole n-tris n-tris(hydroxymethyl) methylglycine

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