“mean pole”的概念、定义、翻译、参考文献-科学参考

单词	mean pole
释义	mean pole Astronomy The direction on the sky towards which the Earth’s axis points at a particular epoch, with the oscillations due to nutation removed. It moves smoothly across the sky, affected only by lunisolar precession. See also True Pole.
随便看	minimum efficient scale of production minimum-error decoding minimum lending rate minimum length varve varve analysis varve chronology varve count varve dating varying domain varying duty vasa recta vascular bundle vascular cambium vascular plants vascular system vascular tissue vas deferens vas efferens Vaseline vasoactive intestinal peptide vasoconstriction vasodilation vasomotor centre vasomotor nerves

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