equinox
n. 晝夜平分點、春分、秋分
學術名詞
- 二分點:航空太空、機械工程、土木工程
- 分點:測量學、氣象學
- 春分:氣象學、地理學
- 二分點[天]:力學
- 春(秋)分:地理學
- 秋分:氣象學
- 晝夜平分點:土木工程
- 晝夜均分點:通訊工程
英文釋義
- either of two times of the year when the sun crosses the plane of the earth's equator and day and night are of equal length
- (astronomy) either of the two celestial points at which the celestial equator intersects the ecliptic