ephemeris

n. 星历表

发音

UK /ɪˈfɛməɹɪs/
US /ɪˈfɛməɹəs/

词形变化

ephemerides 复数 ephemerides ephemerises ephemerises 复数

释义与例句

n.
  1. 1.

    A journal or diary.

    废旧
  2. 2.

    A table giving the apparent position of celestial bodies throughout the year; normally given as right ascension and declination.

    皇历

    天文 航海 交通
  3. 3.

    Computer software that calculates the apparent position of celestial bodies.

词汇关系

名词

上位词 3

annual yearbook yearly

相关短语

ephemeris time 历书时

词源

From New Latin ephēmeris, from Ancient Greek ἐφημερίς (ephēmerís, “diary, calendar”), from ἐφήμερος (ephḗmeros, “daily”).

来源：wiktionary