资料来源 : pyDict

两头政治

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Diarchy \Di"arch*y\, n. [Gr. di- = di`s- twice + ? to rule.]
   A form of government in which the supreme power is vested in
   two persons.

资料来源 : WordNet®

diarchy
     n : a form of government having two joint rulers [syn: {dyarchy}]