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单词 ephemeris
释义
e·phem·er·is (ĭ-fĕmər-ĭs)
n. pl. eph·e·mer·i·des (ĕfə-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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更新时间:2025/3/22 10:29:52