Yahoo奇摩字典 網頁搜尋

登入
  1. 更多

搜尋結果

  1. Oxford Dictionary

    Drake equation

    • n.
      a speculative equation which gives an estimate of the likelihood of discovering intelligent extraterrestrial life in the galaxy, formulated by the US astronomer Frank Drake in 1961.

    • noun: Drake equation

    • 更多解釋

    Drake equation

    • IPA[ˈdrāk əˌkwāZHən]

    美式

    • n.
      a speculative equation that gives an estimate of the likelihood of discovering intelligent ...

    Oxford American Dictionary