equinoxes

n.

昼夜平分点，春分或秋分( equinox的名词复数 )；

autumnal equinox秋分

vernal equinox n. 春分；春分点（约在3月20日）

spring equinox n. 春分

Equinoxes
Ionosphere around equinoxes during low solar activity
Ionosphere around equinoxes during low solar activity
The Alleged Babylonian Discovery of the Precession of the Equinoxes
The Alleged Babylonian Discovery of the Precession of the Equinoxes
The Semi-Diurnal Tide at the Equinoxes: MF Radar Observations for 1978-1982 at Saskatoon (52°N, 107°W).
D'Alembert versus Euler on the precession of the equinoxes and the mechanics of rigid bodies
Recherches sur la precession des equinoxes, et sur la nutation de l'axe de la terre, dans le systeme newtonien ... Paris, David, 1749.
Against Chandrasekhar's Interpretation of Newton's Treatment of the Precession of the Equinoxes
Interglacial High Sea Levels and the Control of Greenland Ice by the Precession of the Equinoxes