用“precession of the equinox”造句大全,precession of the equinox造句
precessionoftheequinoxestheprecessionoftheequinoxesHethenaccountsfortheprecessionoftheequinoxes.Itisduetoaphenomenoncalledtheprecessionoftheequinoxes.Anothercharacteristicofsun-earthsystemisthegradual...