30 元券岁差自转PrecessionIncluding¥2910去看看中华商务图书专营店发布了海外直订The Earth's Motion of Rotation: Including the Theory of Precession and Nutation 地球自转:包括岁差理论和章动40 元券Precession预订NutationWobble¥4160去看看中国国际图书专营店发布了【预订】Precession, Nutation and Wobble of t...