Yahoo奇摩字典 網頁搜尋

搜尋結果

1. Oxford Dictionary

   Abel, Niels Henrik

   • IPA[ˈɑːb(ə)l]

   英式

   • ph.
     (1802–29), Norwegian mathematician. He proved that equations of the fifth degree cannot be solved by conventional algebraic methods, and made advances in the fields of power series and elliptic functions.