“If & only if”的意思、由来-开放百科全书

词条	If & only if
释义	> If and only if {{R from alternate spelling}}
随便看	Danish Amsterdam Treaty referendum, 1998 Danish Arabia Expedition (1761-67) Danish Arabia expedition (1761-67) Danish Arabia Expedition (1761–67) Danish Armed Forces Danish Arts Council Danish Asia Company Danish Association of Architects Danish Association of Cinematographers Danish Association of the Pharmaceutical Industry Danish Athletics Federation Danish Australian Danish Auxiliary Corps in Anglo-Dutch service 1701-1714 Danish Auxiliary Corps in Anglo-Dutch service 1701–1714 Danish Auxiliary Corps in Habsburg service 1701-1709 Danish Auxiliary Corps in Habsburg service 1701–1709 Danish Auxiliary Corps in the Williamite War in Ireland Danish Aziz Danish Badminton League Danish ballads Danish-Baltic Auxiliary Corps Danish Bible Danish Bibliographic Centre Danish Brazilian Danish Brazilians

开放百科全书收录14589846条英语、德语、日语等多语种百科知识，基本涵盖了大多数领域的百科知识，是一部内容自由、开放的电子版国际百科全书。