Yahoo奇摩字典 網頁搜尋

登入
  1. 更多

搜尋結果

  1. Oxford Dictionary

    right ascension

    • n.
      the distance of a point east of the First Point of Aries, measured along the celestial equator and expressed in hours, minutes, and seconds.

    • noun: right ascension

    • 更多解釋

    right ascension

    • IPA[ˌrīd əˈsen(t)SH(ə)n]

    美式

    • n.
      the distance of a point east of the First Point of Aries, measured along the celestial equator ...

    Oxford American Dictionary