单词 | ephemeris |
释义 | e·phem·er·is ![]() n. pl. eph·e·mer·i·des (ĕf′ə-mĕrə-dēz′) A table giving the coordinates of a celestial body at a number of specific times during a given period. [Late Latin ephēmeris, from Greek, diary, from ephēmeros, daily; see EPHEMERAL.] |
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