于洪

于洪于洪
  1. 于洪武同志办学思想的启示

    Inspirations of YU Hong-wu 's Ideas of Running Schools

  2. 平胸鸟目之一;鸵鸟及与其有关的现已灭绝的鸟类;生活于洪积世以前。

    A ratite bird order : ostriches and related extinct birds ; known from the Pleistocene onward .